Home / 852,753.66-1,279,013.84-253,807.26

Finding the Fourth Proportional to 852,753.66, 1,279,013.84 and 253,807.26

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Solution

The fourth proportional to 852,753.66, 1,279,013.84 and 253,807.26 is: 380,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,753.66 : 1,279,013.84 = 253,807.26 : x
  2. Step 2: Convert to fraction form
    852,753.66/1,279,013.84 = 253,807.26/x
  3. Step 3: Cross multiply
    852,753.66x = 1,279,013.84 × 253,807.26
  4. Step 4: Simplify right side
    852,753.66x = 324,622,998,232.48
  5. Step 5: Solve for x
    x = 324,622,998,232.48/852,753.66
  6. Step 6: Final answer
    x = 380,676.17

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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.