Finding the Fourth Proportional to 625,691.26, 938,536.87 and 288,632.19
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Solution
The fourth proportional to 625,691.26, 938,536.87 and 288,632.19 is: 432,948.28
Step by Step Solution
- Step 1: Write the proportion equation
625,691.26 : 938,536.87 = 288,632.19 : x - Step 2: Convert to fraction form
625,691.26/938,536.87 = 288,632.19/x - Step 3: Cross multiply
625,691.26x = 938,536.87 × 288,632.19 - Step 4: Simplify right side
625,691.26x = 270,891,952,183.85 - Step 5: Solve for x
x = 270,891,952,183.85/625,691.26 - Step 6: Final answer
x = 432,948.28
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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.