Home / 831,766.98-1,147,834.21-449,792.85

Finding the Fourth Proportional to 831,766.98, 1,147,834.21 and 449,792.85

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Solution

The fourth proportional to 831,766.98, 1,147,834.21 and 449,792.85 is: 620,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,766.98 : 1,147,834.21 = 449,792.85 : x
  2. Step 2: Convert to fraction form
    831,766.98/1,147,834.21 = 449,792.85/x
  3. Step 3: Cross multiply
    831,766.98x = 1,147,834.21 × 449,792.85
  4. Step 4: Simplify right side
    831,766.98x = 516,287,620,643.40
  5. Step 5: Solve for x
    x = 516,287,620,643.40/831,766.98
  6. Step 6: Final answer
    x = 620,711.85

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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.