Home / 951,971.20-1,427,081.76-411,890.08

Finding the Fourth Proportional to 951,971.20, 1,427,081.76 and 411,890.08

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Solution

The fourth proportional to 951,971.20, 1,427,081.76 and 411,890.08 is: 617,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,971.20 : 1,427,081.76 = 411,890.08 : x
  2. Step 2: Convert to fraction form
    951,971.20/1,427,081.76 = 411,890.08/x
  3. Step 3: Cross multiply
    951,971.20x = 1,427,081.76 × 411,890.08
  4. Step 4: Simplify right side
    951,971.20x = 587,800,820,292.94
  5. Step 5: Solve for x
    x = 587,800,820,292.94/951,971.20
  6. Step 6: Final answer
    x = 617,456.52

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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.