Home / 823,864.62-1,235,930.19-255,112.02

Finding the Fourth Proportional to 823,864.62, 1,235,930.19 and 255,112.02

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Solution

The fourth proportional to 823,864.62, 1,235,930.19 and 255,112.02 is: 382,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,864.62 : 1,235,930.19 = 255,112.02 : x
  2. Step 2: Convert to fraction form
    823,864.62/1,235,930.19 = 255,112.02/x
  3. Step 3: Cross multiply
    823,864.62x = 1,235,930.19 × 255,112.02
  4. Step 4: Simplify right side
    823,864.62x = 315,300,647,349.88
  5. Step 5: Solve for x
    x = 315,300,647,349.88/823,864.62
  6. Step 6: Final answer
    x = 382,709.29

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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.