Home / 723,299.28-998,151.30-401,001.12

Finding the Fourth Proportional to 723,299.28, 998,151.30 and 401,001.12

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Solution

The fourth proportional to 723,299.28, 998,151.30 and 401,001.12 is: 553,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,299.28 : 998,151.30 = 401,001.12 : x
  2. Step 2: Convert to fraction form
    723,299.28/998,151.30 = 401,001.12/x
  3. Step 3: Cross multiply
    723,299.28x = 998,151.30 × 401,001.12
  4. Step 4: Simplify right side
    723,299.28x = 400,259,789,229.46
  5. Step 5: Solve for x
    x = 400,259,789,229.46/723,299.28
  6. Step 6: Final answer
    x = 553,380.60

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Similar ratio
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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.