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Finding the Fourth Proportional to 982,252.80, 1,471,996.80 and 727,545.60

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Solution

The fourth proportional to 982,252.80, 1,471,996.80 and 727,545.60 is: 1,090,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,252.80 : 1,471,996.80 = 727,545.60 : x
  2. Step 2: Convert to fraction form
    982,252.80/1,471,996.80 = 727,545.60/x
  3. Step 3: Cross multiply
    982,252.80x = 1,471,996.80 × 727,545.60
  4. Step 4: Simplify right side
    982,252.80x = 1,070,944,795,054.08
  5. Step 5: Solve for x
    x = 1,070,944,795,054.08/982,252.80
  6. Step 6: Final answer
    x = 1,090,294.47

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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.