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Finding the Fourth Proportional to 494,537.40, 741,806.10 and 326,138.40

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Solution

The fourth proportional to 494,537.40, 741,806.10 and 326,138.40 is: 489,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,537.40 : 741,806.10 = 326,138.40 : x
  2. Step 2: Convert to fraction form
    494,537.40/741,806.10 = 326,138.40/x
  3. Step 3: Cross multiply
    494,537.40x = 741,806.10 × 326,138.40
  4. Step 4: Simplify right side
    494,537.40x = 241,931,454,564.24
  5. Step 5: Solve for x
    x = 241,931,454,564.24/494,537.40
  6. Step 6: Final answer
    x = 489,207.60

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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.