Home / 1,286.50-1,927.46-464.26

Finding the Fourth Proportional to 1,286.50, 1,927.46 and 464.26

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Solution

The fourth proportional to 1,286.50, 1,927.46 and 464.26 is: 695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286.50 : 1,927.46 = 464.26 : x
  2. Step 2: Convert to fraction form
    1,286.50/1,927.46 = 464.26/x
  3. Step 3: Cross multiply
    1,286.50x = 1,927.46 × 464.26
  4. Step 4: Simplify right side
    1,286.50x = 894,842.58
  5. Step 5: Solve for x
    x = 894,842.58/1,286.50
  6. Step 6: Final answer
    x = 695.56

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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.