Home / 677,998.80-1,016,998.20-172,558.80

Finding the Fourth Proportional to 677,998.80, 1,016,998.20 and 172,558.80

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Solution

The fourth proportional to 677,998.80, 1,016,998.20 and 172,558.80 is: 258,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,998.80 : 1,016,998.20 = 172,558.80 : x
  2. Step 2: Convert to fraction form
    677,998.80/1,016,998.20 = 172,558.80/x
  3. Step 3: Cross multiply
    677,998.80x = 1,016,998.20 × 172,558.80
  4. Step 4: Simplify right side
    677,998.80x = 175,491,988,994.16
  5. Step 5: Solve for x
    x = 175,491,988,994.16/677,998.80
  6. Step 6: Final answer
    x = 258,838.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.