Home / 639,222.06-958,583.88-239,645.01

Finding the Fourth Proportional to 639,222.06, 958,583.88 and 239,645.01

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Solution

The fourth proportional to 639,222.06, 958,583.88 and 239,645.01 is: 359,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,222.06 : 958,583.88 = 239,645.01 : x
  2. Step 2: Convert to fraction form
    639,222.06/958,583.88 = 239,645.01/x
  3. Step 3: Cross multiply
    639,222.06x = 958,583.88 × 239,645.01
  4. Step 4: Simplify right side
    639,222.06x = 229,719,843,508.44
  5. Step 5: Solve for x
    x = 229,719,843,508.44/639,222.06
  6. Step 6: Final answer
    x = 359,374.09

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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.