Home / 714,266-1,071,387.23-287,791.44

Finding the Fourth Proportional to 714,266, 1,071,387.23 and 287,791.44

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Solution

The fourth proportional to 714,266, 1,071,387.23 and 287,791.44 is: 431,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,266 : 1,071,387.23 = 287,791.44 : x
  2. Step 2: Convert to fraction form
    714,266/1,071,387.23 = 287,791.44/x
  3. Step 3: Cross multiply
    714,266x = 1,071,387.23 × 287,791.44
  4. Step 4: Simplify right side
    714,266x = 308,336,073,719.31
  5. Step 5: Solve for x
    x = 308,336,073,719.31/714,266
  6. Step 6: Final answer
    x = 431,682.42

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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.