Home / 724,390.49-1,086,584.82-275,110.52

Finding the Fourth Proportional to 724,390.49, 1,086,584.82 and 275,110.52

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Solution

The fourth proportional to 724,390.49, 1,086,584.82 and 275,110.52 is: 412,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,390.49 : 1,086,584.82 = 275,110.52 : x
  2. Step 2: Convert to fraction form
    724,390.49/1,086,584.82 = 275,110.52/x
  3. Step 3: Cross multiply
    724,390.49x = 1,086,584.82 × 275,110.52
  4. Step 4: Simplify right side
    724,390.49x = 298,930,914,854.31
  5. Step 5: Solve for x
    x = 298,930,914,854.31/724,390.49
  6. Step 6: Final answer
    x = 412,665.44

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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.