Home / 534,719.40-802,079.10-219,402.60

Finding the Fourth Proportional to 534,719.40, 802,079.10 and 219,402.60

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Solution

The fourth proportional to 534,719.40, 802,079.10 and 219,402.60 is: 329,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,719.40 : 802,079.10 = 219,402.60 : x
  2. Step 2: Convert to fraction form
    534,719.40/802,079.10 = 219,402.60/x
  3. Step 3: Cross multiply
    534,719.40x = 802,079.10 × 219,402.60
  4. Step 4: Simplify right side
    534,719.40x = 175,978,239,945.66
  5. Step 5: Solve for x
    x = 175,978,239,945.66/534,719.40
  6. Step 6: Final answer
    x = 329,103.90

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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.