Home / 498,768.60-688,317.06-272,414.10

Finding the Fourth Proportional to 498,768.60, 688,317.06 and 272,414.10

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Solution

The fourth proportional to 498,768.60, 688,317.06 and 272,414.10 is: 375,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,768.60 : 688,317.06 = 272,414.10 : x
  2. Step 2: Convert to fraction form
    498,768.60/688,317.06 = 272,414.10/x
  3. Step 3: Cross multiply
    498,768.60x = 688,317.06 × 272,414.10
  4. Step 4: Simplify right side
    498,768.60x = 187,507,272,414.55
  5. Step 5: Solve for x
    x = 187,507,272,414.55/498,768.60
  6. Step 6: Final answer
    x = 375,940.41

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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.