Finding the Fourth Proportional to 744,897.96, 1,027,888.07 and 418,136.13
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Solution
The fourth proportional to 744,897.96, 1,027,888.07 and 418,136.13 is: 576,987.94
Step by Step Solution
- Step 1: Write the proportion equation
744,897.96 : 1,027,888.07 = 418,136.13 : x - Step 2: Convert to fraction form
744,897.96/1,027,888.07 = 418,136.13/x - Step 3: Cross multiply
744,897.96x = 1,027,888.07 × 418,136.13 - Step 4: Simplify right side
744,897.96x = 429,797,137,572.29 - Step 5: Solve for x
x = 429,797,137,572.29/744,897.96 - Step 6: Final answer
x = 576,987.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.