Home / 951,277.20-1,427,134.68-320,174.16

Finding the Fourth Proportional to 951,277.20, 1,427,134.68 and 320,174.16

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Solution

The fourth proportional to 951,277.20, 1,427,134.68 and 320,174.16 is: 480,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,277.20 : 1,427,134.68 = 320,174.16 : x
  2. Step 2: Convert to fraction form
    951,277.20/1,427,134.68 = 320,174.16/x
  3. Step 3: Cross multiply
    951,277.20x = 1,427,134.68 × 320,174.16
  4. Step 4: Simplify right side
    951,277.20x = 456,931,647,375.87
  5. Step 5: Solve for x
    x = 456,931,647,375.87/951,277.20
  6. Step 6: Final answer
    x = 480,334.91

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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.