Home / 500,982.86-691,358.91-271,540.46

Finding the Fourth Proportional to 500,982.86, 691,358.91 and 271,540.46

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Solution

The fourth proportional to 500,982.86, 691,358.91 and 271,540.46 is: 374,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,982.86 : 691,358.91 = 271,540.46 : x
  2. Step 2: Convert to fraction form
    500,982.86/691,358.91 = 271,540.46/x
  3. Step 3: Cross multiply
    500,982.86x = 691,358.91 × 271,540.46
  4. Step 4: Simplify right side
    500,982.86x = 187,731,916,446.50
  5. Step 5: Solve for x
    x = 187,731,916,446.50/500,982.86
  6. Step 6: Final answer
    x = 374,727.22

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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.