Home / 677,676.15-1,016,508.42-172,238.58

Finding the Fourth Proportional to 677,676.15, 1,016,508.42 and 172,238.58

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Solution

The fourth proportional to 677,676.15, 1,016,508.42 and 172,238.58 is: 258,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,676.15 : 1,016,508.42 = 172,238.58 : x
  2. Step 2: Convert to fraction form
    677,676.15/1,016,508.42 = 172,238.58/x
  3. Step 3: Cross multiply
    677,676.15x = 1,016,508.42 × 172,238.58
  4. Step 4: Simplify right side
    677,676.15x = 175,081,966,818.84
  5. Step 5: Solve for x
    x = 175,081,966,818.84/677,676.15
  6. Step 6: Final answer
    x = 258,356.39

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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.