Home / 327,789.60-451,397.52-284,749.44

Finding the Fourth Proportional to 327,789.60, 451,397.52 and 284,749.44

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Solution

The fourth proportional to 327,789.60, 451,397.52 and 284,749.44 is: 392,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,789.60 : 451,397.52 = 284,749.44 : x
  2. Step 2: Convert to fraction form
    327,789.60/451,397.52 = 284,749.44/x
  3. Step 3: Cross multiply
    327,789.60x = 451,397.52 × 284,749.44
  4. Step 4: Simplify right side
    327,789.60x = 128,535,191,037.39
  5. Step 5: Solve for x
    x = 128,535,191,037.39/327,789.60
  6. Step 6: Final answer
    x = 392,127.12

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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.