Home / 3,165,456.60-4,748,191.38-769,304.88

Finding the Fourth Proportional to 3,165,456.60, 4,748,191.38 and 769,304.88

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Solution

The fourth proportional to 3,165,456.60, 4,748,191.38 and 769,304.88 is: 1,153,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,456.60 : 4,748,191.38 = 769,304.88 : x
  2. Step 2: Convert to fraction form
    3,165,456.60/4,748,191.38 = 769,304.88/x
  3. Step 3: Cross multiply
    3,165,456.60x = 4,748,191.38 × 769,304.88
  4. Step 4: Simplify right side
    3,165,456.60x = 3,652,806,799,807.93
  5. Step 5: Solve for x
    x = 3,652,806,799,807.93/3,165,456.60
  6. Step 6: Final answer
    x = 1,153,958.89

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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.