Home / 731,277.10-1,097,563.65-431,382.70

Finding the Fourth Proportional to 731,277.10, 1,097,563.65 and 431,382.70

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Solution

The fourth proportional to 731,277.10, 1,097,563.65 and 431,382.70 is: 647,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,277.10 : 1,097,563.65 = 431,382.70 : x
  2. Step 2: Convert to fraction form
    731,277.10/1,097,563.65 = 431,382.70/x
  3. Step 3: Cross multiply
    731,277.10x = 1,097,563.65 × 431,382.70
  4. Step 4: Simplify right side
    731,277.10x = 473,469,970,758.86
  5. Step 5: Solve for x
    x = 473,469,970,758.86/731,277.10
  6. Step 6: Final answer
    x = 647,456.31

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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.