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Finding the Fourth Proportional to 396,029.60, 594,044.40 and 330,711.20

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Solution

The fourth proportional to 396,029.60, 594,044.40 and 330,711.20 is: 496,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,029.60 : 594,044.40 = 330,711.20 : x
  2. Step 2: Convert to fraction form
    396,029.60/594,044.40 = 330,711.20/x
  3. Step 3: Cross multiply
    396,029.60x = 594,044.40 × 330,711.20
  4. Step 4: Simplify right side
    396,029.60x = 196,457,136,377.28
  5. Step 5: Solve for x
    x = 196,457,136,377.28/396,029.60
  6. Step 6: Final answer
    x = 496,066.80

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Similar ratio
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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.