Home / 638,627.76-958,071.24-239,261.04

Finding the Fourth Proportional to 638,627.76, 958,071.24 and 239,261.04

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Solution

The fourth proportional to 638,627.76, 958,071.24 and 239,261.04 is: 358,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,627.76 : 958,071.24 = 239,261.04 : x
  2. Step 2: Convert to fraction form
    638,627.76/958,071.24 = 239,261.04/x
  3. Step 3: Cross multiply
    638,627.76x = 958,071.24 × 239,261.04
  4. Step 4: Simplify right side
    638,627.76x = 229,229,121,276.49
  5. Step 5: Solve for x
    x = 229,229,121,276.49/638,627.76
  6. Step 6: Final answer
    x = 358,940.11

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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.