Home / 862,164.33-1,293,246.36-263,128.56

Finding the Fourth Proportional to 862,164.33, 1,293,246.36 and 263,128.56

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Solution

The fourth proportional to 862,164.33, 1,293,246.36 and 263,128.56 is: 394,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,164.33 : 1,293,246.36 = 263,128.56 : x
  2. Step 2: Convert to fraction form
    862,164.33/1,293,246.36 = 263,128.56/x
  3. Step 3: Cross multiply
    862,164.33x = 1,293,246.36 × 263,128.56
  4. Step 4: Simplify right side
    862,164.33x = 340,290,052,432.04
  5. Step 5: Solve for x
    x = 340,290,052,432.04/862,164.33
  6. Step 6: Final answer
    x = 394,692.80

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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.