Home / 486,015.36-670,701.60-271,155.44

Finding the Fourth Proportional to 486,015.36, 670,701.60 and 271,155.44

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Solution

The fourth proportional to 486,015.36, 670,701.60 and 271,155.44 is: 374,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,015.36 : 670,701.60 = 271,155.44 : x
  2. Step 2: Convert to fraction form
    486,015.36/670,701.60 = 271,155.44/x
  3. Step 3: Cross multiply
    486,015.36x = 670,701.60 × 271,155.44
  4. Step 4: Simplify right side
    486,015.36x = 181,864,387,456.70
  5. Step 5: Solve for x
    x = 181,864,387,456.70/486,015.36
  6. Step 6: Final answer
    x = 374,194.73

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1.5x scale

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.