Home / 498,869.46-748,308.29-214,540.31

Finding the Fourth Proportional to 498,869.46, 748,308.29 and 214,540.31

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Solution

The fourth proportional to 498,869.46, 748,308.29 and 214,540.31 is: 321,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,869.46 : 748,308.29 = 214,540.31 : x
  2. Step 2: Convert to fraction form
    498,869.46/748,308.29 = 214,540.31/x
  3. Step 3: Cross multiply
    498,869.46x = 748,308.29 × 214,540.31
  4. Step 4: Simplify right side
    498,869.46x = 160,542,293,310.24
  5. Step 5: Solve for x
    x = 160,542,293,310.24/498,869.46
  6. Step 6: Final answer
    x = 321,812.23

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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.