Home / 774,857.27-1,162,311.84-269,422.61

Finding the Fourth Proportional to 774,857.27, 1,162,311.84 and 269,422.61

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Solution

The fourth proportional to 774,857.27, 1,162,311.84 and 269,422.61 is: 404,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,857.27 : 1,162,311.84 = 269,422.61 : x
  2. Step 2: Convert to fraction form
    774,857.27/1,162,311.84 = 269,422.61/x
  3. Step 3: Cross multiply
    774,857.27x = 1,162,311.84 × 269,422.61
  4. Step 4: Simplify right side
    774,857.27x = 313,153,083,755.14
  5. Step 5: Solve for x
    x = 313,153,083,755.14/774,857.27
  6. Step 6: Final answer
    x = 404,142.92

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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.