Home / 677,911.92-1,016,873.88-172,473.48

Finding the Fourth Proportional to 677,911.92, 1,016,873.88 and 172,473.48

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Solution

The fourth proportional to 677,911.92, 1,016,873.88 and 172,473.48 is: 258,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,911.92 : 1,016,873.88 = 172,473.48 : x
  2. Step 2: Convert to fraction form
    677,911.92/1,016,873.88 = 172,473.48/x
  3. Step 3: Cross multiply
    677,911.92x = 1,016,873.88 × 172,473.48
  4. Step 4: Simplify right side
    677,911.92x = 175,383,776,804.70
  5. Step 5: Solve for x
    x = 175,383,776,804.70/677,911.92
  6. Step 6: Final answer
    x = 258,711.75

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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.