Home / 773,718.42-1,160,204.34-324,318.60

Finding the Fourth Proportional to 773,718.42, 1,160,204.34 and 324,318.60

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Solution

The fourth proportional to 773,718.42, 1,160,204.34 and 324,318.60 is: 486,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,718.42 : 1,160,204.34 = 324,318.60 : x
  2. Step 2: Convert to fraction form
    773,718.42/1,160,204.34 = 324,318.60/x
  3. Step 3: Cross multiply
    773,718.42x = 1,160,204.34 × 324,318.60
  4. Step 4: Simplify right side
    773,718.42x = 376,275,847,262.72
  5. Step 5: Solve for x
    x = 376,275,847,262.72/773,718.42
  6. Step 6: Final answer
    x = 486,321.43

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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.