Home / 831,732.68-1,147,791.15-449,759.49

Finding the Fourth Proportional to 831,732.68, 1,147,791.15 and 449,759.49

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Solution

The fourth proportional to 831,732.68, 1,147,791.15 and 449,759.49 is: 620,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,732.68 : 1,147,791.15 = 449,759.49 : x
  2. Step 2: Convert to fraction form
    831,732.68/1,147,791.15 = 449,759.49/x
  3. Step 3: Cross multiply
    831,732.68x = 1,147,791.15 × 449,759.49
  4. Step 4: Simplify right side
    831,732.68x = 516,229,962,250.51
  5. Step 5: Solve for x
    x = 516,229,962,250.51/831,732.68
  6. Step 6: Final answer
    x = 620,668.13

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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.