Home / 727,387.20-1,091,301.12-568,013.76

Finding the Fourth Proportional to 727,387.20, 1,091,301.12 and 568,013.76

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Solution

The fourth proportional to 727,387.20, 1,091,301.12 and 568,013.76 is: 852,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,387.20 : 1,091,301.12 = 568,013.76 : x
  2. Step 2: Convert to fraction form
    727,387.20/1,091,301.12 = 568,013.76/x
  3. Step 3: Cross multiply
    727,387.20x = 1,091,301.12 × 568,013.76
  4. Step 4: Simplify right side
    727,387.20x = 619,874,052,463.41
  5. Step 5: Solve for x
    x = 619,874,052,463.41/727,387.20
  6. Step 6: Final answer
    x = 852,192.69

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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.