Home / 831,833.92-1,147,934.28-449,860.72

Finding the Fourth Proportional to 831,833.92, 1,147,934.28 and 449,860.72

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Solution

The fourth proportional to 831,833.92, 1,147,934.28 and 449,860.72 is: 620,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,833.92 : 1,147,934.28 = 449,860.72 : x
  2. Step 2: Convert to fraction form
    831,833.92/1,147,934.28 = 449,860.72/x
  3. Step 3: Cross multiply
    831,833.92x = 1,147,934.28 × 449,860.72
  4. Step 4: Simplify right side
    831,833.92x = 516,410,541,713.48
  5. Step 5: Solve for x
    x = 516,410,541,713.48/831,833.92
  6. Step 6: Final answer
    x = 620,809.67

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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.