Home / 932,144.05-1,397,988.86-258,207.85

Finding the Fourth Proportional to 932,144.05, 1,397,988.86 and 258,207.85

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Solution

The fourth proportional to 932,144.05, 1,397,988.86 and 258,207.85 is: 387,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,144.05 : 1,397,988.86 = 258,207.85 : x
  2. Step 2: Convert to fraction form
    932,144.05/1,397,988.86 = 258,207.85/x
  3. Step 3: Cross multiply
    932,144.05x = 1,397,988.86 × 258,207.85
  4. Step 4: Simplify right side
    932,144.05x = 360,971,690,874.61
  5. Step 5: Solve for x
    x = 360,971,690,874.61/932,144.05
  6. Step 6: Final answer
    x = 387,248.83

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1.5x scale

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.