Home / 428,876.17-591,849.70-237,889.56

Finding the Fourth Proportional to 428,876.17, 591,849.70 and 237,889.56

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Solution

The fourth proportional to 428,876.17, 591,849.70 and 237,889.56 is: 328,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,876.17 : 591,849.70 = 237,889.56 : x
  2. Step 2: Convert to fraction form
    428,876.17/591,849.70 = 237,889.56/x
  3. Step 3: Cross multiply
    428,876.17x = 591,849.70 × 237,889.56
  4. Step 4: Simplify right side
    428,876.17x = 140,794,863,349.22
  5. Step 5: Solve for x
    x = 140,794,863,349.22/428,876.17
  6. Step 6: Final answer
    x = 328,287.92

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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.