Finding the Fourth Proportional to 527,265.20, 727,616.99 and 285,545.81
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Solution
The fourth proportional to 527,265.20, 727,616.99 and 285,545.81 is: 394,048.35
Step by Step Solution
- Step 1: Write the proportion equation
527,265.20 : 727,616.99 = 285,545.81 : x - Step 2: Convert to fraction form
527,265.20/727,616.99 = 285,545.81/x - Step 3: Cross multiply
527,265.20x = 727,616.99 × 285,545.81 - Step 4: Simplify right side
527,265.20x = 207,767,981,351.58 - Step 5: Solve for x
x = 207,767,981,351.58/527,265.20 - Step 6: Final answer
x = 394,048.35
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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.