Home / 547,731.80-755,855.93-306,016.18

Finding the Fourth Proportional to 547,731.80, 755,855.93 and 306,016.18

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Solution

The fourth proportional to 547,731.80, 755,855.93 and 306,016.18 is: 422,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,731.80 : 755,855.93 = 306,016.18 : x
  2. Step 2: Convert to fraction form
    547,731.80/755,855.93 = 306,016.18/x
  3. Step 3: Cross multiply
    547,731.80x = 755,855.93 × 306,016.18
  4. Step 4: Simplify right side
    547,731.80x = 231,304,139,964.41
  5. Step 5: Solve for x
    x = 231,304,139,964.41/547,731.80
  6. Step 6: Final answer
    x = 422,294.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.