Home / 976,780.80-1,465,171.20-677,599.20

Finding the Fourth Proportional to 976,780.80, 1,465,171.20 and 677,599.20

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Solution

The fourth proportional to 976,780.80, 1,465,171.20 and 677,599.20 is: 1,016,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,780.80 : 1,465,171.20 = 677,599.20 : x
  2. Step 2: Convert to fraction form
    976,780.80/1,465,171.20 = 677,599.20/x
  3. Step 3: Cross multiply
    976,780.80x = 1,465,171.20 × 677,599.20
  4. Step 4: Simplify right side
    976,780.80x = 992,798,832,983.04
  5. Step 5: Solve for x
    x = 992,798,832,983.04/976,780.80
  6. Step 6: Final answer
    x = 1,016,398.80

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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.