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Finding the Fourth Proportional to 396,560.72, 594,841.40 and 326,292.32

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Solution

The fourth proportional to 396,560.72, 594,841.40 and 326,292.32 is: 489,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,560.72 : 594,841.40 = 326,292.32 : x
  2. Step 2: Convert to fraction form
    396,560.72/594,841.40 = 326,292.32/x
  3. Step 3: Cross multiply
    396,560.72x = 594,841.40 × 326,292.32
  4. Step 4: Simplify right side
    396,560.72x = 194,092,180,438.05
  5. Step 5: Solve for x
    x = 194,092,180,438.05/396,560.72
  6. Step 6: Final answer
    x = 489,438.74

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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.