Home / 711,697.88-1,067,601.56-206,265.71

Finding the Fourth Proportional to 711,697.88, 1,067,601.56 and 206,265.71

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Solution

The fourth proportional to 711,697.88, 1,067,601.56 and 206,265.71 is: 309,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,697.88 : 1,067,601.56 = 206,265.71 : x
  2. Step 2: Convert to fraction form
    711,697.88/1,067,601.56 = 206,265.71/x
  3. Step 3: Cross multiply
    711,697.88x = 1,067,601.56 × 206,265.71
  4. Step 4: Simplify right side
    711,697.88x = 220,209,587,401.17
  5. Step 5: Solve for x
    x = 220,209,587,401.17/711,697.88
  6. Step 6: Final answer
    x = 309,414.42

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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.