Home / 677,473.92-1,016,211.30-172,072.80

Finding the Fourth Proportional to 677,473.92, 1,016,211.30 and 172,072.80

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Solution

The fourth proportional to 677,473.92, 1,016,211.30 and 172,072.80 is: 258,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,473.92 : 1,016,211.30 = 172,072.80 : x
  2. Step 2: Convert to fraction form
    677,473.92/1,016,211.30 = 172,072.80/x
  3. Step 3: Cross multiply
    677,473.92x = 1,016,211.30 × 172,072.80
  4. Step 4: Simplify right side
    677,473.92x = 174,862,323,782.64
  5. Step 5: Solve for x
    x = 174,862,323,782.64/677,473.92
  6. Step 6: Final answer
    x = 258,109.31

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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.