Home / 408,918.89-613,931.45-282,244.19

Finding the Fourth Proportional to 408,918.89, 613,931.45 and 282,244.19

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Solution

The fourth proportional to 408,918.89, 613,931.45 and 282,244.19 is: 423,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,918.89 : 613,931.45 = 282,244.19 : x
  2. Step 2: Convert to fraction form
    408,918.89/613,931.45 = 282,244.19/x
  3. Step 3: Cross multiply
    408,918.89x = 613,931.45 × 282,244.19
  4. Step 4: Simplify right side
    408,918.89x = 173,278,582,456.73
  5. Step 5: Solve for x
    x = 173,278,582,456.73/408,918.89
  6. Step 6: Final answer
    x = 423,748.06

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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.