Home / 712,654.68-1,069,049.85-200,318.49

Finding the Fourth Proportional to 712,654.68, 1,069,049.85 and 200,318.49

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Solution

The fourth proportional to 712,654.68, 1,069,049.85 and 200,318.49 is: 300,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,654.68 : 1,069,049.85 = 200,318.49 : x
  2. Step 2: Convert to fraction form
    712,654.68/1,069,049.85 = 200,318.49/x
  3. Step 3: Cross multiply
    712,654.68x = 1,069,049.85 × 200,318.49
  4. Step 4: Simplify right side
    712,654.68x = 214,150,451,686.73
  5. Step 5: Solve for x
    x = 214,150,451,686.73/712,654.68
  6. Step 6: Final answer
    x = 300,496.80

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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.