Home / 428,422.28-591,222.72-237,447.97

Finding the Fourth Proportional to 428,422.28, 591,222.72 and 237,447.97

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Solution

The fourth proportional to 428,422.28, 591,222.72 and 237,447.97 is: 327,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,422.28 : 591,222.72 = 237,447.97 : x
  2. Step 2: Convert to fraction form
    428,422.28/591,222.72 = 237,447.97/x
  3. Step 3: Cross multiply
    428,422.28x = 591,222.72 × 237,447.97
  4. Step 4: Simplify right side
    428,422.28x = 140,384,634,094.25
  5. Step 5: Solve for x
    x = 140,384,634,094.25/428,422.28
  6. Step 6: Final answer
    x = 327,678.19

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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.