Home / 721,331.89-1,082,070-247,954.93

Finding the Fourth Proportional to 721,331.89, 1,082,070 and 247,954.93

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Solution

The fourth proportional to 721,331.89, 1,082,070 and 247,954.93 is: 371,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,331.89 : 1,082,070 = 247,954.93 : x
  2. Step 2: Convert to fraction form
    721,331.89/1,082,070 = 247,954.93/x
  3. Step 3: Cross multiply
    721,331.89x = 1,082,070 × 247,954.93
  4. Step 4: Simplify right side
    721,331.89x = 268,304,591,105.10
  5. Step 5: Solve for x
    x = 268,304,591,105.10/721,331.89
  6. Step 6: Final answer
    x = 371,957.20

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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.