Home / 724,169.70-1,086,969.59-543,627.38

Finding the Fourth Proportional to 724,169.70, 1,086,969.59 and 543,627.38

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Solution

The fourth proportional to 724,169.70, 1,086,969.59 and 543,627.38 is: 815,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,169.70 : 1,086,969.59 = 543,627.38 : x
  2. Step 2: Convert to fraction form
    724,169.70/1,086,969.59 = 543,627.38/x
  3. Step 3: Cross multiply
    724,169.70x = 1,086,969.59 × 543,627.38
  4. Step 4: Simplify right side
    724,169.70x = 590,906,435,447.17
  5. Step 5: Solve for x
    x = 590,906,435,447.17/724,169.70
  6. Step 6: Final answer
    x = 815,977.85

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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.