Home / 976,910.80-1,465,366.20-577,345.90

Finding the Fourth Proportional to 976,910.80, 1,465,366.20 and 577,345.90

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Solution

The fourth proportional to 976,910.80, 1,465,366.20 and 577,345.90 is: 866,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,910.80 : 1,465,366.20 = 577,345.90 : x
  2. Step 2: Convert to fraction form
    976,910.80/1,465,366.20 = 577,345.90/x
  3. Step 3: Cross multiply
    976,910.80x = 1,465,366.20 × 577,345.90
  4. Step 4: Simplify right side
    976,910.80x = 846,023,167,568.58
  5. Step 5: Solve for x
    x = 846,023,167,568.58/976,910.80
  6. Step 6: Final answer
    x = 866,018.85

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Similar ratio
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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.