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Finding the Fourth Proportional to 396,327.60, 594,491.40 and 366,001.20

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Solution

The fourth proportional to 396,327.60, 594,491.40 and 366,001.20 is: 549,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,327.60 : 594,491.40 = 366,001.20 : x
  2. Step 2: Convert to fraction form
    396,327.60/594,491.40 = 366,001.20/x
  3. Step 3: Cross multiply
    396,327.60x = 594,491.40 × 366,001.20
  4. Step 4: Simplify right side
    396,327.60x = 217,584,565,789.68
  5. Step 5: Solve for x
    x = 217,584,565,789.68/396,327.60
  6. Step 6: Final answer
    x = 549,001.80

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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.