Home / 701,785.20-1,053,042.30-327,808.20

Finding the Fourth Proportional to 701,785.20, 1,053,042.30 and 327,808.20

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Solution

The fourth proportional to 701,785.20, 1,053,042.30 and 327,808.20 is: 491,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,785.20 : 1,053,042.30 = 327,808.20 : x
  2. Step 2: Convert to fraction form
    701,785.20/1,053,042.30 = 327,808.20/x
  3. Step 3: Cross multiply
    701,785.20x = 1,053,042.30 × 327,808.20
  4. Step 4: Simplify right side
    701,785.20x = 345,195,900,886.86
  5. Step 5: Solve for x
    x = 345,195,900,886.86/701,785.20
  6. Step 6: Final answer
    x = 491,882.56

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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.