Home / 809,232.60-1,214,286.30-360,022.80

Finding the Fourth Proportional to 809,232.60, 1,214,286.30 and 360,022.80

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Solution

The fourth proportional to 809,232.60, 1,214,286.30 and 360,022.80 is: 540,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,232.60 : 1,214,286.30 = 360,022.80 : x
  2. Step 2: Convert to fraction form
    809,232.60/1,214,286.30 = 360,022.80/x
  3. Step 3: Cross multiply
    809,232.60x = 1,214,286.30 × 360,022.80
  4. Step 4: Simplify right side
    809,232.60x = 437,170,753,727.64
  5. Step 5: Solve for x
    x = 437,170,753,727.64/809,232.60
  6. Step 6: Final answer
    x = 540,228.80

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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.