Home / 781,900.24-1,172,999.04-269,429.44

Finding the Fourth Proportional to 781,900.24, 1,172,999.04 and 269,429.44

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Solution

The fourth proportional to 781,900.24, 1,172,999.04 and 269,429.44 is: 404,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,900.24 : 1,172,999.04 = 269,429.44 : x
  2. Step 2: Convert to fraction form
    781,900.24/1,172,999.04 = 269,429.44/x
  3. Step 3: Cross multiply
    781,900.24x = 1,172,999.04 × 269,429.44
  4. Step 4: Simplify right side
    781,900.24x = 316,040,474,467.74
  5. Step 5: Solve for x
    x = 316,040,474,467.74/781,900.24
  6. Step 6: Final answer
    x = 404,195.39

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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.