Home / 831,885.46-1,148,001.92-449,912.24

Finding the Fourth Proportional to 831,885.46, 1,148,001.92 and 449,912.24

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Solution

The fourth proportional to 831,885.46, 1,148,001.92 and 449,912.24 is: 620,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,885.46 : 1,148,001.92 = 449,912.24 : x
  2. Step 2: Convert to fraction form
    831,885.46/1,148,001.92 = 449,912.24/x
  3. Step 3: Cross multiply
    831,885.46x = 1,148,001.92 × 449,912.24
  4. Step 4: Simplify right side
    831,885.46x = 516,500,115,351.50
  5. Step 5: Solve for x
    x = 516,500,115,351.50/831,885.46
  6. Step 6: Final answer
    x = 620,878.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.