Home / 622,131.50-858,531.96-350,198.56

Finding the Fourth Proportional to 622,131.50, 858,531.96 and 350,198.56

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Solution

The fourth proportional to 622,131.50, 858,531.96 and 350,198.56 is: 483,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,131.50 : 858,531.96 = 350,198.56 : x
  2. Step 2: Convert to fraction form
    622,131.50/858,531.96 = 350,198.56/x
  3. Step 3: Cross multiply
    622,131.50x = 858,531.96 × 350,198.56
  4. Step 4: Simplify right side
    622,131.50x = 300,656,652,349.90
  5. Step 5: Solve for x
    x = 300,656,652,349.90/622,131.50
  6. Step 6: Final answer
    x = 483,268.65

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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.