Home / 711,720.38-1,067,579.64-231,947.46

Finding the Fourth Proportional to 711,720.38, 1,067,579.64 and 231,947.46

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Solution

The fourth proportional to 711,720.38, 1,067,579.64 and 231,947.46 is: 347,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,720.38 : 1,067,579.64 = 231,947.46 : x
  2. Step 2: Convert to fraction form
    711,720.38/1,067,579.64 = 231,947.46/x
  3. Step 3: Cross multiply
    711,720.38x = 1,067,579.64 × 231,947.46
  4. Step 4: Simplify right side
    711,720.38x = 247,622,385,845.71
  5. Step 5: Solve for x
    x = 247,622,385,845.71/711,720.38
  6. Step 6: Final answer
    x = 347,920.89

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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.