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Finding the Fourth Proportional to 629,930.60, 944,895.90 and 230,438.60

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Solution

The fourth proportional to 629,930.60, 944,895.90 and 230,438.60 is: 345,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,930.60 : 944,895.90 = 230,438.60 : x
  2. Step 2: Convert to fraction form
    629,930.60/944,895.90 = 230,438.60/x
  3. Step 3: Cross multiply
    629,930.60x = 944,895.90 × 230,438.60
  4. Step 4: Simplify right side
    629,930.60x = 217,740,488,341.74
  5. Step 5: Solve for x
    x = 217,740,488,341.74/629,930.60
  6. Step 6: Final answer
    x = 345,657.90

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Double scale
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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.