Home / 957,446.72-1,321,279.15-527,728.56

Finding the Fourth Proportional to 957,446.72, 1,321,279.15 and 527,728.56

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Solution

The fourth proportional to 957,446.72, 1,321,279.15 and 527,728.56 is: 728,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,446.72 : 1,321,279.15 = 527,728.56 : x
  2. Step 2: Convert to fraction form
    957,446.72/1,321,279.15 = 527,728.56/x
  3. Step 3: Cross multiply
    957,446.72x = 1,321,279.15 × 527,728.56
  4. Step 4: Simplify right side
    957,446.72x = 697,276,736,581.13
  5. Step 5: Solve for x
    x = 697,276,736,581.13/957,446.72
  6. Step 6: Final answer
    x = 728,266.88

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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.