Home / 823,853.25-1,235,896.83-255,279.03

Finding the Fourth Proportional to 823,853.25, 1,235,896.83 and 255,279.03

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Solution

The fourth proportional to 823,853.25, 1,235,896.83 and 255,279.03 is: 382,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,853.25 : 1,235,896.83 = 255,279.03 : x
  2. Step 2: Convert to fraction form
    823,853.25/1,235,896.83 = 255,279.03/x
  3. Step 3: Cross multiply
    823,853.25x = 1,235,896.83 × 255,279.03
  4. Step 4: Simplify right side
    823,853.25x = 315,498,543,942.48
  5. Step 5: Solve for x
    x = 315,498,543,942.48/823,853.25
  6. Step 6: Final answer
    x = 382,954.78

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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.