Home / 550,979.38-826,091.76-280,584.11

Finding the Fourth Proportional to 550,979.38, 826,091.76 and 280,584.11

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Solution

The fourth proportional to 550,979.38, 826,091.76 and 280,584.11 is: 420,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,979.38 : 826,091.76 = 280,584.11 : x
  2. Step 2: Convert to fraction form
    550,979.38/826,091.76 = 280,584.11/x
  3. Step 3: Cross multiply
    550,979.38x = 826,091.76 × 280,584.11
  4. Step 4: Simplify right side
    550,979.38x = 231,788,221,257.93
  5. Step 5: Solve for x
    x = 231,788,221,257.93/550,979.38
  6. Step 6: Final answer
    x = 420,684.02

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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.