Home / 428,514.54-591,392.38-244,780.61

Finding the Fourth Proportional to 428,514.54, 591,392.38 and 244,780.61

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Solution

The fourth proportional to 428,514.54, 591,392.38 and 244,780.61 is: 337,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,514.54 : 591,392.38 = 244,780.61 : x
  2. Step 2: Convert to fraction form
    428,514.54/591,392.38 = 244,780.61/x
  3. Step 3: Cross multiply
    428,514.54x = 591,392.38 × 244,780.61
  4. Step 4: Simplify right side
    428,514.54x = 144,761,384,487.41
  5. Step 5: Solve for x
    x = 144,761,384,487.41/428,514.54
  6. Step 6: Final answer
    x = 337,821.41

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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.