Home / 852,213.30-1,278,494.90-253,121.10

Finding the Fourth Proportional to 852,213.30, 1,278,494.90 and 253,121.10

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Solution

The fourth proportional to 852,213.30, 1,278,494.90 and 253,121.10 is: 379,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,213.30 : 1,278,494.90 = 253,121.10 : x
  2. Step 2: Convert to fraction form
    852,213.30/1,278,494.90 = 253,121.10/x
  3. Step 3: Cross multiply
    852,213.30x = 1,278,494.90 × 253,121.10
  4. Step 4: Simplify right side
    852,213.30x = 323,614,035,432.39
  5. Step 5: Solve for x
    x = 323,614,035,432.39/852,213.30
  6. Step 6: Final answer
    x = 379,733.61

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Double scale
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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.