Home / 500,565.60-690,774.98-271,117.16

Finding the Fourth Proportional to 500,565.60, 690,774.98 and 271,117.16

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Solution

The fourth proportional to 500,565.60, 690,774.98 and 271,117.16 is: 374,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,565.60 : 690,774.98 = 271,117.16 : x
  2. Step 2: Convert to fraction form
    500,565.60/690,774.98 = 271,117.16/x
  3. Step 3: Cross multiply
    500,565.60x = 690,774.98 × 271,117.16
  4. Step 4: Simplify right side
    500,565.60x = 187,280,950,776.66
  5. Step 5: Solve for x
    x = 187,280,950,776.66/500,565.60
  6. Step 6: Final answer
    x = 374,138.68

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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.