Home / 831,732.94-1,147,791.48-449,759.74

Finding the Fourth Proportional to 831,732.94, 1,147,791.48 and 449,759.74

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Solution

The fourth proportional to 831,732.94, 1,147,791.48 and 449,759.74 is: 620,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,732.94 : 1,147,791.48 = 449,759.74 : x
  2. Step 2: Convert to fraction form
    831,732.94/1,147,791.48 = 449,759.74/x
  3. Step 3: Cross multiply
    831,732.94x = 1,147,791.48 × 449,759.74
  4. Step 4: Simplify right side
    831,732.94x = 516,230,397,619.02
  5. Step 5: Solve for x
    x = 516,230,397,619.02/831,732.94
  6. Step 6: Final answer
    x = 620,668.45

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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.