Home / 711,729.56-1,067,701.26-231,800.78

Finding the Fourth Proportional to 711,729.56, 1,067,701.26 and 231,800.78

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Solution

The fourth proportional to 711,729.56, 1,067,701.26 and 231,800.78 is: 347,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,729.56 : 1,067,701.26 = 231,800.78 : x
  2. Step 2: Convert to fraction form
    711,729.56/1,067,701.26 = 231,800.78/x
  3. Step 3: Cross multiply
    711,729.56x = 1,067,701.26 × 231,800.78
  4. Step 4: Simplify right side
    711,729.56x = 247,493,984,874.98
  5. Step 5: Solve for x
    x = 247,493,984,874.98/711,729.56
  6. Step 6: Final answer
    x = 347,735.99

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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.