Finding the Fourth Proportional to 625,691.01, 938,536.50 and 288,631.94
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Solution
The fourth proportional to 625,691.01, 938,536.50 and 288,631.94 is: 432,947.90
Step by Step Solution
- Step 1: Write the proportion equation
625,691.01 : 938,536.50 = 288,631.94 : x - Step 2: Convert to fraction form
625,691.01/938,536.50 = 288,631.94/x - Step 3: Cross multiply
625,691.01x = 938,536.50 × 288,631.94 - Step 4: Simplify right side
625,691.01x = 270,891,606,063.13 - Step 5: Solve for x
x = 270,891,606,063.13/625,691.01 - Step 6: Final answer
x = 432,947.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.