Home / 831,761.73-1,147,826.97-449,787.60

Finding the Fourth Proportional to 831,761.73, 1,147,826.97 and 449,787.60

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Solution

The fourth proportional to 831,761.73, 1,147,826.97 and 449,787.60 is: 620,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,761.73 : 1,147,826.97 = 449,787.60 : x
  2. Step 2: Convert to fraction form
    831,761.73/1,147,826.97 = 449,787.60/x
  3. Step 3: Cross multiply
    831,761.73x = 1,147,826.97 × 449,787.60
  4. Step 4: Simplify right side
    831,761.73x = 516,278,338,051.57
  5. Step 5: Solve for x
    x = 516,278,338,051.57/831,761.73
  6. Step 6: Final answer
    x = 620,704.61

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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.