Home / 831,275.44-1,147,160.28-449,301.04

Finding the Fourth Proportional to 831,275.44, 1,147,160.28 and 449,301.04

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Solution

The fourth proportional to 831,275.44, 1,147,160.28 and 449,301.04 is: 620,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,275.44 : 1,147,160.28 = 449,301.04 : x
  2. Step 2: Convert to fraction form
    831,275.44/1,147,160.28 = 449,301.04/x
  3. Step 3: Cross multiply
    831,275.44x = 1,147,160.28 × 449,301.04
  4. Step 4: Simplify right side
    831,275.44x = 515,420,306,850.69
  5. Step 5: Solve for x
    x = 515,420,306,850.69/831,275.44
  6. Step 6: Final answer
    x = 620,035.53

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1.5x scale

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.