Home / 852,212.30-1,278,493.40-253,120.10

Finding the Fourth Proportional to 852,212.30, 1,278,493.40 and 253,120.10

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Solution

The fourth proportional to 852,212.30, 1,278,493.40 and 253,120.10 is: 379,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,212.30 : 1,278,493.40 = 253,120.10 : x
  2. Step 2: Convert to fraction form
    852,212.30/1,278,493.40 = 253,120.10/x
  3. Step 3: Cross multiply
    852,212.30x = 1,278,493.40 × 253,120.10
  4. Step 4: Simplify right side
    852,212.30x = 323,612,377,257.34
  5. Step 5: Solve for x
    x = 323,612,377,257.34/852,212.30
  6. Step 6: Final answer
    x = 379,732.11

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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.