Home / 499,233.09-688,861.22-284,377.35

Finding the Fourth Proportional to 499,233.09, 688,861.22 and 284,377.35

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Solution

The fourth proportional to 499,233.09, 688,861.22 and 284,377.35 is: 392,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,233.09 : 688,861.22 = 284,377.35 : x
  2. Step 2: Convert to fraction form
    499,233.09/688,861.22 = 284,377.35/x
  3. Step 3: Cross multiply
    499,233.09x = 688,861.22 × 284,377.35
  4. Step 4: Simplify right side
    499,233.09x = 195,896,526,839.48
  5. Step 5: Solve for x
    x = 195,896,526,839.48/499,233.09
  6. Step 6: Final answer
    x = 392,394.92

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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.