Home / 755,318.21-1,132,586.89-222,771.29

Finding the Fourth Proportional to 755,318.21, 1,132,586.89 and 222,771.29

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Solution

The fourth proportional to 755,318.21, 1,132,586.89 and 222,771.29 is: 334,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,318.21 : 1,132,586.89 = 222,771.29 : x
  2. Step 2: Convert to fraction form
    755,318.21/1,132,586.89 = 222,771.29/x
  3. Step 3: Cross multiply
    755,318.21x = 1,132,586.89 × 222,771.29
  4. Step 4: Simplify right side
    755,318.21x = 252,307,836,302.53
  5. Step 5: Solve for x
    x = 252,307,836,302.53/755,318.21
  6. Step 6: Final answer
    x = 334,041.78

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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.