Home / 741,801.29-1,112,791.18-261,930.35

Finding the Fourth Proportional to 741,801.29, 1,112,791.18 and 261,930.35

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Solution

The fourth proportional to 741,801.29, 1,112,791.18 and 261,930.35 is: 392,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,801.29 : 1,112,791.18 = 261,930.35 : x
  2. Step 2: Convert to fraction form
    741,801.29/1,112,791.18 = 261,930.35/x
  3. Step 3: Cross multiply
    741,801.29x = 1,112,791.18 × 261,930.35
  4. Step 4: Simplify right side
    741,801.29x = 291,473,785,381.47
  5. Step 5: Solve for x
    x = 291,473,785,381.47/741,801.29
  6. Step 6: Final answer
    x = 392,927.04

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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.