Home / 669,129.48-1,002,930.66-269,514.36

Finding the Fourth Proportional to 669,129.48, 1,002,930.66 and 269,514.36

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Solution

The fourth proportional to 669,129.48, 1,002,930.66 and 269,514.36 is: 403,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,129.48 : 1,002,930.66 = 269,514.36 : x
  2. Step 2: Convert to fraction form
    669,129.48/1,002,930.66 = 269,514.36/x
  3. Step 3: Cross multiply
    669,129.48x = 1,002,930.66 × 269,514.36
  4. Step 4: Simplify right side
    669,129.48x = 270,304,214,954.28
  5. Step 5: Solve for x
    x = 270,304,214,954.28/669,129.48
  6. Step 6: Final answer
    x = 403,963.99

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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.