Home / 677,474.05-1,016,211.49-172,072.93

Finding the Fourth Proportional to 677,474.05, 1,016,211.49 and 172,072.93

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Solution

The fourth proportional to 677,474.05, 1,016,211.49 and 172,072.93 is: 258,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,474.05 : 1,016,211.49 = 172,072.93 : x
  2. Step 2: Convert to fraction form
    677,474.05/1,016,211.49 = 172,072.93/x
  3. Step 3: Cross multiply
    677,474.05x = 1,016,211.49 × 172,072.93
  4. Step 4: Simplify right side
    677,474.05x = 174,862,483,072.73
  5. Step 5: Solve for x
    x = 174,862,483,072.73/677,474.05
  6. Step 6: Final answer
    x = 258,109.49

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Double scale
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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.