Home / 712,001.76-982,513.13-406,091.18

Finding the Fourth Proportional to 712,001.76, 982,513.13 and 406,091.18

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Solution

The fourth proportional to 712,001.76, 982,513.13 and 406,091.18 is: 560,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,001.76 : 982,513.13 = 406,091.18 : x
  2. Step 2: Convert to fraction form
    712,001.76/982,513.13 = 406,091.18/x
  3. Step 3: Cross multiply
    712,001.76x = 982,513.13 × 406,091.18
  4. Step 4: Simplify right side
    712,001.76x = 398,989,916,753.02
  5. Step 5: Solve for x
    x = 398,989,916,753.02/712,001.76
  6. Step 6: Final answer
    x = 560,377.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.