Home / 732,687.28-1,011,454.76-491,127.66

Finding the Fourth Proportional to 732,687.28, 1,011,454.76 and 491,127.66

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Solution

The fourth proportional to 732,687.28, 1,011,454.76 and 491,127.66 is: 677,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,687.28 : 1,011,454.76 = 491,127.66 : x
  2. Step 2: Convert to fraction form
    732,687.28/1,011,454.76 = 491,127.66/x
  3. Step 3: Cross multiply
    732,687.28x = 1,011,454.76 × 491,127.66
  4. Step 4: Simplify right side
    732,687.28x = 496,753,409,474.66
  5. Step 5: Solve for x
    x = 496,753,409,474.66/732,687.28
  6. Step 6: Final answer
    x = 677,988.31

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Double scale
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1.5x scale

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.