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Finding the Fourth Proportional to 982,290.80, 1,472,053.80 and 727,583.60

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Solution

The fourth proportional to 982,290.80, 1,472,053.80 and 727,583.60 is: 1,090,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,290.80 : 1,472,053.80 = 727,583.60 : x
  2. Step 2: Convert to fraction form
    982,290.80/1,472,053.80 = 727,583.60/x
  3. Step 3: Cross multiply
    982,290.80x = 1,472,053.80 × 727,583.60
  4. Step 4: Simplify right side
    982,290.80x = 1,071,042,203,197.68
  5. Step 5: Solve for x
    x = 1,071,042,203,197.68/982,290.80
  6. Step 6: Final answer
    x = 1,090,351.46

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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.