Home / 892,185-1,231,216.41-484,286.62

Finding the Fourth Proportional to 892,185, 1,231,216.41 and 484,286.62

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Solution

The fourth proportional to 892,185, 1,231,216.41 and 484,286.62 is: 668,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,185 : 1,231,216.41 = 484,286.62 : x
  2. Step 2: Convert to fraction form
    892,185/1,231,216.41 = 484,286.62/x
  3. Step 3: Cross multiply
    892,185x = 1,231,216.41 × 484,286.62
  4. Step 4: Simplify right side
    892,185x = 596,261,633,687.43
  5. Step 5: Solve for x
    x = 596,261,633,687.43/892,185
  6. Step 6: Final answer
    x = 668,316.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.