Home / 632,631.12-948,947.28-258,654.12

Finding the Fourth Proportional to 632,631.12, 948,947.28 and 258,654.12

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Solution

The fourth proportional to 632,631.12, 948,947.28 and 258,654.12 is: 387,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,631.12 : 948,947.28 = 258,654.12 : x
  2. Step 2: Convert to fraction form
    632,631.12/948,947.28 = 258,654.12/x
  3. Step 3: Cross multiply
    632,631.12x = 948,947.28 × 258,654.12
  4. Step 4: Simplify right side
    632,631.12x = 245,449,123,634.79
  5. Step 5: Solve for x
    x = 245,449,123,634.79/632,631.12
  6. Step 6: Final answer
    x = 387,981.43

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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.