Home / 485,917.66-670,597.23-271,057.29

Finding the Fourth Proportional to 485,917.66, 670,597.23 and 271,057.29

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Solution

The fourth proportional to 485,917.66, 670,597.23 and 271,057.29 is: 374,076.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,917.66 : 670,597.23 = 271,057.29 : x
  2. Step 2: Convert to fraction form
    485,917.66/670,597.23 = 271,057.29/x
  3. Step 3: Cross multiply
    485,917.66x = 670,597.23 × 271,057.29
  4. Step 4: Simplify right side
    485,917.66x = 181,770,267,845.31
  5. Step 5: Solve for x
    x = 181,770,267,845.31/485,917.66
  6. Step 6: Final answer
    x = 374,076.27

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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.