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Finding the Fourth Proportional to 396,045, 593,542.62 and 329,910.12

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Solution

The fourth proportional to 396,045, 593,542.62 and 329,910.12 is: 494,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,045 : 593,542.62 = 329,910.12 : x
  2. Step 2: Convert to fraction form
    396,045/593,542.62 = 329,910.12/x
  3. Step 3: Cross multiply
    396,045x = 593,542.62 × 329,910.12
  4. Step 4: Simplify right side
    396,045x = 195,815,716,989.31
  5. Step 5: Solve for x
    x = 195,815,716,989.31/396,045
  6. Step 6: Final answer
    x = 494,427.95

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1.5x scale

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.