Home / 862,175.07-1,293,262.61-263,139.44

Finding the Fourth Proportional to 862,175.07, 1,293,262.61 and 263,139.44

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Solution

The fourth proportional to 862,175.07, 1,293,262.61 and 263,139.44 is: 394,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,175.07 : 1,293,262.61 = 263,139.44 : x
  2. Step 2: Convert to fraction form
    862,175.07/1,293,262.61 = 263,139.44/x
  3. Step 3: Cross multiply
    862,175.07x = 1,293,262.61 × 263,139.44
  4. Step 4: Simplify right side
    862,175.07x = 340,308,391,186.33
  5. Step 5: Solve for x
    x = 340,308,391,186.33/862,175.07
  6. Step 6: Final answer
    x = 394,709.15

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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.