Home / 868,493.52-1,198,520.22-486,523.02

Finding the Fourth Proportional to 868,493.52, 1,198,520.22 and 486,523.02

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Solution

The fourth proportional to 868,493.52, 1,198,520.22 and 486,523.02 is: 671,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,493.52 : 1,198,520.22 = 486,523.02 : x
  2. Step 2: Convert to fraction form
    868,493.52/1,198,520.22 = 486,523.02/x
  3. Step 3: Cross multiply
    868,493.52x = 1,198,520.22 × 486,523.02
  4. Step 4: Simplify right side
    868,493.52x = 583,107,676,965.46
  5. Step 5: Solve for x
    x = 583,107,676,965.46/868,493.52
  6. Step 6: Final answer
    x = 671,401.30

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Double scale
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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.