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Finding the Fourth Proportional to 396,554.68, 594,832.40 and 326,286.28

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Solution

The fourth proportional to 396,554.68, 594,832.40 and 326,286.28 is: 489,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,554.68 : 594,832.40 = 326,286.28 : x
  2. Step 2: Convert to fraction form
    396,554.68/594,832.40 = 326,286.28/x
  3. Step 3: Cross multiply
    396,554.68x = 594,832.40 × 326,286.28
  4. Step 4: Simplify right side
    396,554.68x = 194,085,651,019.47
  5. Step 5: Solve for x
    x = 194,085,651,019.47/396,554.68
  6. Step 6: Final answer
    x = 489,429.73

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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.