Home / 1,005,767.28-1,508,330.16-331,691.76

Finding the Fourth Proportional to 1,005,767.28, 1,508,330.16 and 331,691.76

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Solution

The fourth proportional to 1,005,767.28, 1,508,330.16 and 331,691.76 is: 497,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,767.28 : 1,508,330.16 = 331,691.76 : x
  2. Step 2: Convert to fraction form
    1,005,767.28/1,508,330.16 = 331,691.76/x
  3. Step 3: Cross multiply
    1,005,767.28x = 1,508,330.16 × 331,691.76
  4. Step 4: Simplify right side
    1,005,767.28x = 500,300,685,431.48
  5. Step 5: Solve for x
    x = 500,300,685,431.48/1,005,767.28
  6. Step 6: Final answer
    x = 497,431.86

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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.