Home / 831,882.03-1,147,997.25-449,908.71

Finding the Fourth Proportional to 831,882.03, 1,147,997.25 and 449,908.71

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Solution

The fourth proportional to 831,882.03, 1,147,997.25 and 449,908.71 is: 620,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,882.03 : 1,147,997.25 = 449,908.71 : x
  2. Step 2: Convert to fraction form
    831,882.03/1,147,997.25 = 449,908.71/x
  3. Step 3: Cross multiply
    831,882.03x = 1,147,997.25 × 449,908.71
  4. Step 4: Simplify right side
    831,882.03x = 516,493,961,831.05
  5. Step 5: Solve for x
    x = 516,493,961,831.05/831,882.03
  6. Step 6: Final answer
    x = 620,874.05

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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.