Home / 688,227.55-949,780.68-382,327.16

Finding the Fourth Proportional to 688,227.55, 949,780.68 and 382,327.16

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Solution

The fourth proportional to 688,227.55, 949,780.68 and 382,327.16 is: 527,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,227.55 : 949,780.68 = 382,327.16 : x
  2. Step 2: Convert to fraction form
    688,227.55/949,780.68 = 382,327.16/x
  3. Step 3: Cross multiply
    688,227.55x = 949,780.68 × 382,327.16
  4. Step 4: Simplify right side
    688,227.55x = 363,126,943,346.73
  5. Step 5: Solve for x
    x = 363,126,943,346.73/688,227.55
  6. Step 6: Final answer
    x = 527,626.29

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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.