Home / 677,447.24-1,016,171.29-172,046.12

Finding the Fourth Proportional to 677,447.24, 1,016,171.29 and 172,046.12

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Solution

The fourth proportional to 677,447.24, 1,016,171.29 and 172,046.12 is: 258,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,447.24 : 1,016,171.29 = 172,046.12 : x
  2. Step 2: Convert to fraction form
    677,447.24/1,016,171.29 = 172,046.12/x
  3. Step 3: Cross multiply
    677,447.24x = 1,016,171.29 × 172,046.12
  4. Step 4: Simplify right side
    677,447.24x = 174,828,327,699.90
  5. Step 5: Solve for x
    x = 174,828,327,699.90/677,447.24
  6. Step 6: Final answer
    x = 258,069.29

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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.