Home / 677,443.89-1,016,166.29-172,042.77

Finding the Fourth Proportional to 677,443.89, 1,016,166.29 and 172,042.77

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Solution

The fourth proportional to 677,443.89, 1,016,166.29 and 172,042.77 is: 258,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,443.89 : 1,016,166.29 = 172,042.77 : x
  2. Step 2: Convert to fraction form
    677,443.89/1,016,166.29 = 172,042.77/x
  3. Step 3: Cross multiply
    677,443.89x = 1,016,166.29 × 172,042.77
  4. Step 4: Simplify right side
    677,443.89x = 174,824,062,452.01
  5. Step 5: Solve for x
    x = 174,824,062,452.01/677,443.89
  6. Step 6: Final answer
    x = 258,064.27

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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.