Home / 471,014.39-649,760.22-307,766.34

Finding the Fourth Proportional to 471,014.39, 649,760.22 and 307,766.34

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Solution

The fourth proportional to 471,014.39, 649,760.22 and 307,766.34 is: 424,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,014.39 : 649,760.22 = 307,766.34 : x
  2. Step 2: Convert to fraction form
    471,014.39/649,760.22 = 307,766.34/x
  3. Step 3: Cross multiply
    471,014.39x = 649,760.22 × 307,766.34
  4. Step 4: Simplify right side
    471,014.39x = 199,974,324,787.00
  5. Step 5: Solve for x
    x = 199,974,324,787.00/471,014.39
  6. Step 6: Final answer
    x = 424,560.96

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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.