Finding the Fourth Proportional to 527,220.71, 727,564.97 and 285,503.55
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Solution
The fourth proportional to 527,220.71, 727,564.97 and 285,503.55 is: 393,995.11
Step by Step Solution
- Step 1: Write the proportion equation
527,220.71 : 727,564.97 = 285,503.55 : x - Step 2: Convert to fraction form
527,220.71/727,564.97 = 285,503.55/x - Step 3: Cross multiply
527,220.71x = 727,564.97 × 285,503.55 - Step 4: Simplify right side
527,220.71x = 207,722,379,776.03 - Step 5: Solve for x
x = 207,722,379,776.03/527,220.71 - Step 6: Final answer
x = 393,995.11
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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.