this is the recipe for increasing your page rank;
you need to invest in great keywords and phrases along with search engine optimization. throw in links internally with your pages and do follow links coming in and out of your website. the best links are from other websites and blogs with a higher page rank than yours.
add a touch of a great landing page and web design and you have a recipe for success.
above all quality content that is both informative and useful. if you can do all of these things continually you will certainly increase the page rank of your website.
this does seem like a lot of work. however, the payoff is extraordinary and well worth the effort.