Home / 863,363.60-1,294,306.99-331,266.50

Finding the Fourth Proportional to 863,363.60, 1,294,306.99 and 331,266.50

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Solution

The fourth proportional to 863,363.60, 1,294,306.99 and 331,266.50 is: 496,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,363.60 : 1,294,306.99 = 331,266.50 : x
  2. Step 2: Convert to fraction form
    863,363.60/1,294,306.99 = 331,266.50/x
  3. Step 3: Cross multiply
    863,363.60x = 1,294,306.99 × 331,266.50
  4. Step 4: Simplify right side
    863,363.60x = 428,760,546,502.84
  5. Step 5: Solve for x
    x = 428,760,546,502.84/863,363.60
  6. Step 6: Final answer
    x = 496,616.43

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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.