Home / 831,597.31-1,247,549.83-263,121.52

Finding the Fourth Proportional to 831,597.31, 1,247,549.83 and 263,121.52

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Solution

The fourth proportional to 831,597.31, 1,247,549.83 and 263,121.52 is: 394,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,597.31 : 1,247,549.83 = 263,121.52 : x
  2. Step 2: Convert to fraction form
    831,597.31/1,247,549.83 = 263,121.52/x
  3. Step 3: Cross multiply
    831,597.31x = 1,247,549.83 × 263,121.52
  4. Step 4: Simplify right side
    831,597.31x = 328,257,206,229.73
  5. Step 5: Solve for x
    x = 328,257,206,229.73/831,597.31
  6. Step 6: Final answer
    x = 394,730.96

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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.