Home / 688,250.71-949,937.78-382,432.17

Finding the Fourth Proportional to 688,250.71, 949,937.78 and 382,432.17

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Solution

The fourth proportional to 688,250.71, 949,937.78 and 382,432.17 is: 527,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,250.71 : 949,937.78 = 382,432.17 : x
  2. Step 2: Convert to fraction form
    688,250.71/949,937.78 = 382,432.17/x
  3. Step 3: Cross multiply
    688,250.71x = 949,937.78 × 382,432.17
  4. Step 4: Simplify right side
    688,250.71x = 363,286,766,570.38
  5. Step 5: Solve for x
    x = 363,286,766,570.38/688,250.71
  6. Step 6: Final answer
    x = 527,840.74

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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.