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Finding the Fourth Proportional to 541,324.20, 810,431.10 and 331,372.20

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Solution

The fourth proportional to 541,324.20, 810,431.10 and 331,372.20 is: 496,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,324.20 : 810,431.10 = 331,372.20 : x
  2. Step 2: Convert to fraction form
    541,324.20/810,431.10 = 331,372.20/x
  3. Step 3: Cross multiply
    541,324.20x = 810,431.10 × 331,372.20
  4. Step 4: Simplify right side
    541,324.20x = 268,554,336,555.42
  5. Step 5: Solve for x
    x = 268,554,336,555.42/541,324.20
  6. Step 6: Final answer
    x = 496,106.28

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Double scale
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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.