Home / 498,938.73-748,968.97-199,630.47

Finding the Fourth Proportional to 498,938.73, 748,968.97 and 199,630.47

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Solution

The fourth proportional to 498,938.73, 748,968.97 and 199,630.47 is: 299,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,938.73 : 748,968.97 = 199,630.47 : x
  2. Step 2: Convert to fraction form
    498,938.73/748,968.97 = 199,630.47/x
  3. Step 3: Cross multiply
    498,938.73x = 748,968.97 × 199,630.47
  4. Step 4: Simplify right side
    498,938.73x = 149,517,027,496.52
  5. Step 5: Solve for x
    x = 149,517,027,496.52/498,938.73
  6. Step 6: Final answer
    x = 299,670.12

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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.