Home / 677,470.92-1,016,206.79-172,069.80

Finding the Fourth Proportional to 677,470.92, 1,016,206.79 and 172,069.80

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Solution

The fourth proportional to 677,470.92, 1,016,206.79 and 172,069.80 is: 258,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,470.92 : 1,016,206.79 = 172,069.80 : x
  2. Step 2: Convert to fraction form
    677,470.92/1,016,206.79 = 172,069.80/x
  3. Step 3: Cross multiply
    677,470.92x = 1,016,206.79 × 172,069.80
  4. Step 4: Simplify right side
    677,470.92x = 174,858,498,253.59
  5. Step 5: Solve for x
    x = 174,858,498,253.59/677,470.92
  6. Step 6: Final answer
    x = 258,104.80

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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.