Home / 677,721.48-1,016,564.92-179,089.80

Finding the Fourth Proportional to 677,721.48, 1,016,564.92 and 179,089.80

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Solution

The fourth proportional to 677,721.48, 1,016,564.92 and 179,089.80 is: 268,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,721.48 : 1,016,564.92 = 179,089.80 : x
  2. Step 2: Convert to fraction form
    677,721.48/1,016,564.92 = 179,089.80/x
  3. Step 3: Cross multiply
    677,721.48x = 1,016,564.92 × 179,089.80
  4. Step 4: Simplify right side
    677,721.48x = 182,056,408,209.82
  5. Step 5: Solve for x
    x = 182,056,408,209.82/677,721.48
  6. Step 6: Final answer
    x = 268,630.13

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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.