Finding the Fourth Proportional to 527,332.48, 727,718.51 and 285,614.98
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Solution
The fourth proportional to 527,332.48, 727,718.51 and 285,614.98 is: 394,148.50
Step by Step Solution
- Step 1: Write the proportion equation
527,332.48 : 727,718.51 = 285,614.98 : x - Step 2: Convert to fraction form
527,332.48/727,718.51 = 285,614.98/x - Step 3: Cross multiply
527,332.48x = 727,718.51 × 285,614.98 - Step 4: Simplify right side
527,332.48x = 207,847,306,574.02 - Step 5: Solve for x
x = 207,847,306,574.02/527,332.48 - Step 6: Final answer
x = 394,148.50
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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.