Home / 495,679.48-743,517.78-140,693.83

Finding the Fourth Proportional to 495,679.48, 743,517.78 and 140,693.83

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Solution

The fourth proportional to 495,679.48, 743,517.78 and 140,693.83 is: 211,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,679.48 : 743,517.78 = 140,693.83 : x
  2. Step 2: Convert to fraction form
    495,679.48/743,517.78 = 140,693.83/x
  3. Step 3: Cross multiply
    495,679.48x = 743,517.78 × 140,693.83
  4. Step 4: Simplify right side
    495,679.48x = 104,608,364,141.30
  5. Step 5: Solve for x
    x = 104,608,364,141.30/495,679.48
  6. Step 6: Final answer
    x = 211,040.34

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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.