Home / 825,909.84-1,238,862.33-226,871.61

Finding the Fourth Proportional to 825,909.84, 1,238,862.33 and 226,871.61

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Solution

The fourth proportional to 825,909.84, 1,238,862.33 and 226,871.61 is: 340,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,909.84 : 1,238,862.33 = 226,871.61 : x
  2. Step 2: Convert to fraction form
    825,909.84/1,238,862.33 = 226,871.61/x
  3. Step 3: Cross multiply
    825,909.84x = 1,238,862.33 × 226,871.61
  4. Step 4: Simplify right side
    825,909.84x = 281,062,691,375.45
  5. Step 5: Solve for x
    x = 281,062,691,375.45/825,909.84
  6. Step 6: Final answer
    x = 340,306.75

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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.