Home / 763,517.40-1,145,086.82-258,067.14

Finding the Fourth Proportional to 763,517.40, 1,145,086.82 and 258,067.14

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Solution

The fourth proportional to 763,517.40, 1,145,086.82 and 258,067.14 is: 387,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,517.40 : 1,145,086.82 = 258,067.14 : x
  2. Step 2: Convert to fraction form
    763,517.40/1,145,086.82 = 258,067.14/x
  3. Step 3: Cross multiply
    763,517.40x = 1,145,086.82 × 258,067.14
  4. Step 4: Simplify right side
    763,517.40x = 295,509,280,689.10
  5. Step 5: Solve for x
    x = 295,509,280,689.10/763,517.40
  6. Step 6: Final answer
    x = 387,036.73

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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.