Home / 976,616.80-1,465,789.20-576,757.60

Finding the Fourth Proportional to 976,616.80, 1,465,789.20 and 576,757.60

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Solution

The fourth proportional to 976,616.80, 1,465,789.20 and 576,757.60 is: 865,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,616.80 : 1,465,789.20 = 576,757.60 : x
  2. Step 2: Convert to fraction form
    976,616.80/1,465,789.20 = 576,757.60/x
  3. Step 3: Cross multiply
    976,616.80x = 1,465,789.20 × 576,757.60
  4. Step 4: Simplify right side
    976,616.80x = 845,405,061,097.92
  5. Step 5: Solve for x
    x = 845,405,061,097.92/976,616.80
  6. Step 6: Final answer
    x = 865,646.65

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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.