Home / 477,932.03-659,609.19-286,957.73

Finding the Fourth Proportional to 477,932.03, 659,609.19 and 286,957.73

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Solution

The fourth proportional to 477,932.03, 659,609.19 and 286,957.73 is: 396,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,932.03 : 659,609.19 = 286,957.73 : x
  2. Step 2: Convert to fraction form
    477,932.03/659,609.19 = 286,957.73/x
  3. Step 3: Cross multiply
    477,932.03x = 659,609.19 × 286,957.73
  4. Step 4: Simplify right side
    477,932.03x = 189,279,951,834.10
  5. Step 5: Solve for x
    x = 189,279,951,834.10/477,932.03
  6. Step 6: Final answer
    x = 396,039.48

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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.