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Finding the Fourth Proportional to 477,073.17, 658,319.85 and 280,818.81

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Solution

The fourth proportional to 477,073.17, 658,319.85 and 280,818.81 is: 387,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,073.17 : 658,319.85 = 280,818.81 : x
  2. Step 2: Convert to fraction form
    477,073.17/658,319.85 = 280,818.81/x
  3. Step 3: Cross multiply
    477,073.17x = 658,319.85 × 280,818.81
  4. Step 4: Simplify right side
    477,073.17x = 184,868,596,876.38
  5. Step 5: Solve for x
    x = 184,868,596,876.38/477,073.17
  6. Step 6: Final answer
    x = 387,505.75

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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.