Home / 951,750.08-1,427,310.56-320,507.20

Finding the Fourth Proportional to 951,750.08, 1,427,310.56 and 320,507.20

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Solution

The fourth proportional to 951,750.08, 1,427,310.56 and 320,507.20 is: 480,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,750.08 : 1,427,310.56 = 320,507.20 : x
  2. Step 2: Convert to fraction form
    951,750.08/1,427,310.56 = 320,507.20/x
  3. Step 3: Cross multiply
    951,750.08x = 1,427,310.56 × 320,507.20
  4. Step 4: Simplify right side
    951,750.08x = 457,463,311,116.03
  5. Step 5: Solve for x
    x = 457,463,311,116.03/951,750.08
  6. Step 6: Final answer
    x = 480,654.87

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1.5x scale

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.