Home / 485,918.16-670,597.92-271,057.79

Finding the Fourth Proportional to 485,918.16, 670,597.92 and 271,057.79

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Solution

The fourth proportional to 485,918.16, 670,597.92 and 271,057.79 is: 374,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,918.16 : 670,597.92 = 271,057.79 : x
  2. Step 2: Convert to fraction form
    485,918.16/670,597.92 = 271,057.79/x
  3. Step 3: Cross multiply
    485,918.16x = 670,597.92 × 271,057.79
  4. Step 4: Simplify right side
    485,918.16x = 181,770,790,173.80
  5. Step 5: Solve for x
    x = 181,770,790,173.80/485,918.16
  6. Step 6: Final answer
    x = 374,076.96

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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.