Home / 677,917.88-1,016,882.84-172,479.48

Finding the Fourth Proportional to 677,917.88, 1,016,882.84 and 172,479.48

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Solution

The fourth proportional to 677,917.88, 1,016,882.84 and 172,479.48 is: 258,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,917.88 : 1,016,882.84 = 172,479.48 : x
  2. Step 2: Convert to fraction form
    677,917.88/1,016,882.84 = 172,479.48/x
  3. Step 3: Cross multiply
    677,917.88x = 1,016,882.84 × 172,479.48
  4. Step 4: Simplify right side
    677,917.88x = 175,391,423,464.12
  5. Step 5: Solve for x
    x = 175,391,423,464.12/677,917.88
  6. Step 6: Final answer
    x = 258,720.75

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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.