Home / 639,217.06-958,576.38-239,640.02

Finding the Fourth Proportional to 639,217.06, 958,576.38 and 239,640.02

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Solution

The fourth proportional to 639,217.06, 958,576.38 and 239,640.02 is: 359,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,217.06 : 958,576.38 = 239,640.02 : x
  2. Step 2: Convert to fraction form
    639,217.06/958,576.38 = 239,640.02/x
  3. Step 3: Cross multiply
    639,217.06x = 958,576.38 × 239,640.02
  4. Step 4: Simplify right side
    639,217.06x = 229,713,262,874.73
  5. Step 5: Solve for x
    x = 229,713,262,874.73/639,217.06
  6. Step 6: Final answer
    x = 359,366.60

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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.