Home / 724,310.67-1,086,654.33-275,034.06

Finding the Fourth Proportional to 724,310.67, 1,086,654.33 and 275,034.06

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Solution

The fourth proportional to 724,310.67, 1,086,654.33 and 275,034.06 is: 412,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,310.67 : 1,086,654.33 = 275,034.06 : x
  2. Step 2: Convert to fraction form
    724,310.67/1,086,654.33 = 275,034.06/x
  3. Step 3: Cross multiply
    724,310.67x = 1,086,654.33 × 275,034.06
  4. Step 4: Simplify right side
    724,310.67x = 298,866,952,196.48
  5. Step 5: Solve for x
    x = 298,866,952,196.48/724,310.67
  6. Step 6: Final answer
    x = 412,622.60

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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.