Home / 587,788.27-811,156.70-329,722.43

Finding the Fourth Proportional to 587,788.27, 811,156.70 and 329,722.43

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Solution

The fourth proportional to 587,788.27, 811,156.70 and 329,722.43 is: 455,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,788.27 : 811,156.70 = 329,722.43 : x
  2. Step 2: Convert to fraction form
    587,788.27/811,156.70 = 329,722.43/x
  3. Step 3: Cross multiply
    587,788.27x = 811,156.70 × 329,722.43
  4. Step 4: Simplify right side
    587,788.27x = 267,456,555,003.30
  5. Step 5: Solve for x
    x = 267,456,555,003.30/587,788.27
  6. Step 6: Final answer
    x = 455,021.94

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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.