Home / 775,079.18-1,162,645.35-269,644.65

Finding the Fourth Proportional to 775,079.18, 1,162,645.35 and 269,644.65

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Solution

The fourth proportional to 775,079.18, 1,162,645.35 and 269,644.65 is: 404,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,079.18 : 1,162,645.35 = 269,644.65 : x
  2. Step 2: Convert to fraction form
    775,079.18/1,162,645.35 = 269,644.65/x
  3. Step 3: Cross multiply
    775,079.18x = 1,162,645.35 × 269,644.65
  4. Step 4: Simplify right side
    775,079.18x = 313,501,093,103.79
  5. Step 5: Solve for x
    x = 313,501,093,103.79/775,079.18
  6. Step 6: Final answer
    x = 404,476.22

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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.