Home / 396,827.34-547,304.88-261,000.73

Finding the Fourth Proportional to 396,827.34, 547,304.88 and 261,000.73

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Solution

The fourth proportional to 396,827.34, 547,304.88 and 261,000.73 is: 359,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,827.34 : 547,304.88 = 261,000.73 : x
  2. Step 2: Convert to fraction form
    396,827.34/547,304.88 = 261,000.73/x
  3. Step 3: Cross multiply
    396,827.34x = 547,304.88 × 261,000.73
  4. Step 4: Simplify right side
    396,827.34x = 142,846,973,212.56
  5. Step 5: Solve for x
    x = 142,846,973,212.56/396,827.34
  6. Step 6: Final answer
    x = 359,972.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.