Home / 727,290.97-1,091,108.17-228,654.97

Finding the Fourth Proportional to 727,290.97, 1,091,108.17 and 228,654.97

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Solution

The fourth proportional to 727,290.97, 1,091,108.17 and 228,654.97 is: 343,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,290.97 : 1,091,108.17 = 228,654.97 : x
  2. Step 2: Convert to fraction form
    727,290.97/1,091,108.17 = 228,654.97/x
  3. Step 3: Cross multiply
    727,290.97x = 1,091,108.17 × 228,654.97
  4. Step 4: Simplify right side
    727,290.97x = 249,487,305,878.11
  5. Step 5: Solve for x
    x = 249,487,305,878.11/727,290.97
  6. Step 6: Final answer
    x = 343,036.44

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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.