Home / 625,266.03-862,910.92-353,359.06

Finding the Fourth Proportional to 625,266.03, 862,910.92 and 353,359.06

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Solution

The fourth proportional to 625,266.03, 862,910.92 and 353,359.06 is: 487,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,266.03 : 862,910.92 = 353,359.06 : x
  2. Step 2: Convert to fraction form
    625,266.03/862,910.92 = 353,359.06/x
  3. Step 3: Cross multiply
    625,266.03x = 862,910.92 × 353,359.06
  4. Step 4: Simplify right side
    625,266.03x = 304,917,389,839.36
  5. Step 5: Solve for x
    x = 304,917,389,839.36/625,266.03
  6. Step 6: Final answer
    x = 487,660.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.