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Finding the Fourth Proportional to 396,030.10, 594,045.15 and 330,711.70

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Solution

The fourth proportional to 396,030.10, 594,045.15 and 330,711.70 is: 496,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,030.10 : 594,045.15 = 330,711.70 : x
  2. Step 2: Convert to fraction form
    396,030.10/594,045.15 = 330,711.70/x
  3. Step 3: Cross multiply
    396,030.10x = 594,045.15 × 330,711.70
  4. Step 4: Simplify right side
    396,030.10x = 196,457,681,433.26
  5. Step 5: Solve for x
    x = 196,457,681,433.26/396,030.10
  6. Step 6: Final answer
    x = 496,067.55

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Similar ratio
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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.