Home / 499,008.60-688,631.28-269,565.84

Finding the Fourth Proportional to 499,008.60, 688,631.28 and 269,565.84

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Solution

The fourth proportional to 499,008.60, 688,631.28 and 269,565.84 is: 372,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,008.60 : 688,631.28 = 269,565.84 : x
  2. Step 2: Convert to fraction form
    499,008.60/688,631.28 = 269,565.84/x
  3. Step 3: Cross multiply
    499,008.60x = 688,631.28 × 269,565.84
  4. Step 4: Simplify right side
    499,008.60x = 185,631,469,443.48
  5. Step 5: Solve for x
    x = 185,631,469,443.48/499,008.60
  6. Step 6: Final answer
    x = 372,000.54

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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.