Home / 438,201.14-655,572.27-331,891.41

Finding the Fourth Proportional to 438,201.14, 655,572.27 and 331,891.41

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Solution

The fourth proportional to 438,201.14, 655,572.27 and 331,891.41 is: 496,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,201.14 : 655,572.27 = 331,891.41 : x
  2. Step 2: Convert to fraction form
    438,201.14/655,572.27 = 331,891.41/x
  3. Step 3: Cross multiply
    438,201.14x = 655,572.27 × 331,891.41
  4. Step 4: Simplify right side
    438,201.14x = 217,578,805,047.20
  5. Step 5: Solve for x
    x = 217,578,805,047.20/438,201.14
  6. Step 6: Final answer
    x = 496,527.25

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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.