Home / 689,747.20-1,034,005.20-268,925.20

Finding the Fourth Proportional to 689,747.20, 1,034,005.20 and 268,925.20

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Solution

The fourth proportional to 689,747.20, 1,034,005.20 and 268,925.20 is: 403,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,747.20 : 1,034,005.20 = 268,925.20 : x
  2. Step 2: Convert to fraction form
    689,747.20/1,034,005.20 = 268,925.20/x
  3. Step 3: Cross multiply
    689,747.20x = 1,034,005.20 × 268,925.20
  4. Step 4: Simplify right side
    689,747.20x = 278,070,055,211.04
  5. Step 5: Solve for x
    x = 278,070,055,211.04/689,747.20
  6. Step 6: Final answer
    x = 403,147.78

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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.