Home / 861,952.55-1,188,924.53-539,102.13

Finding the Fourth Proportional to 861,952.55, 1,188,924.53 and 539,102.13

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Solution

The fourth proportional to 861,952.55, 1,188,924.53 and 539,102.13 is: 743,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,952.55 : 1,188,924.53 = 539,102.13 : x
  2. Step 2: Convert to fraction form
    861,952.55/1,188,924.53 = 539,102.13/x
  3. Step 3: Cross multiply
    861,952.55x = 1,188,924.53 × 539,102.13
  4. Step 4: Simplify right side
    861,952.55x = 640,951,743,836.74
  5. Step 5: Solve for x
    x = 640,951,743,836.74/861,952.55
  6. Step 6: Final answer
    x = 743,604.44

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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.