Home / 863,366.60-1,294,311.49-331,269.50

Finding the Fourth Proportional to 863,366.60, 1,294,311.49 and 331,269.50

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Solution

The fourth proportional to 863,366.60, 1,294,311.49 and 331,269.50 is: 496,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,366.60 : 1,294,311.49 = 331,269.50 : x
  2. Step 2: Convert to fraction form
    863,366.60/1,294,311.49 = 331,269.50/x
  3. Step 3: Cross multiply
    863,366.60x = 1,294,311.49 × 331,269.50
  4. Step 4: Simplify right side
    863,366.60x = 428,765,920,136.56
  5. Step 5: Solve for x
    x = 428,765,920,136.56/863,366.60
  6. Step 6: Final answer
    x = 496,620.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.