Home / 500,524.39-690,723.05-271,081.54

Finding the Fourth Proportional to 500,524.39, 690,723.05 and 271,081.54

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Solution

The fourth proportional to 500,524.39, 690,723.05 and 271,081.54 is: 374,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,524.39 : 690,723.05 = 271,081.54 : x
  2. Step 2: Convert to fraction form
    500,524.39/690,723.05 = 271,081.54/x
  3. Step 3: Cross multiply
    500,524.39x = 690,723.05 × 271,081.54
  4. Step 4: Simplify right side
    500,524.39x = 187,242,268,107.50
  5. Step 5: Solve for x
    x = 187,242,268,107.50/500,524.39
  6. Step 6: Final answer
    x = 374,092.20

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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.