Home / 658,516.38-908,819.91-474,906.66

Finding the Fourth Proportional to 658,516.38, 908,819.91 and 474,906.66

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Solution

The fourth proportional to 658,516.38, 908,819.91 and 474,906.66 is: 655,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,516.38 : 908,819.91 = 474,906.66 : x
  2. Step 2: Convert to fraction form
    658,516.38/908,819.91 = 474,906.66/x
  3. Step 3: Cross multiply
    658,516.38x = 908,819.91 × 474,906.66
  4. Step 4: Simplify right side
    658,516.38x = 431,604,627,999.60
  5. Step 5: Solve for x
    x = 431,604,627,999.60/658,516.38
  6. Step 6: Final answer
    x = 655,419.73

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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.