Home / 664,759.30-996,944.55-238,245.70

Finding the Fourth Proportional to 664,759.30, 996,944.55 and 238,245.70

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Solution

The fourth proportional to 664,759.30, 996,944.55 and 238,245.70 is: 357,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,759.30 : 996,944.55 = 238,245.70 : x
  2. Step 2: Convert to fraction form
    664,759.30/996,944.55 = 238,245.70/x
  3. Step 3: Cross multiply
    664,759.30x = 996,944.55 × 238,245.70
  4. Step 4: Simplify right side
    664,759.30x = 237,517,752,175.94
  5. Step 5: Solve for x
    x = 237,517,752,175.94/664,759.30
  6. Step 6: Final answer
    x = 357,298.88

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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.