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Finding the Fourth Proportional to 510,105.80, 764,283.90 and 332,521.40

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Solution

The fourth proportional to 510,105.80, 764,283.90 and 332,521.40 is: 498,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,105.80 : 764,283.90 = 332,521.40 : x
  2. Step 2: Convert to fraction form
    510,105.80/764,283.90 = 332,521.40/x
  3. Step 3: Cross multiply
    510,105.80x = 764,283.90 × 332,521.40
  4. Step 4: Simplify right side
    510,105.80x = 254,140,752,425.46
  5. Step 5: Solve for x
    x = 254,140,752,425.46/510,105.80
  6. Step 6: Final answer
    x = 498,211.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.