Home / 809,163.60-1,213,891.20-335,896.80

Finding the Fourth Proportional to 809,163.60, 1,213,891.20 and 335,896.80

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Solution

The fourth proportional to 809,163.60, 1,213,891.20 and 335,896.80 is: 503,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,163.60 : 1,213,891.20 = 335,896.80 : x
  2. Step 2: Convert to fraction form
    809,163.60/1,213,891.20 = 335,896.80/x
  3. Step 3: Cross multiply
    809,163.60x = 1,213,891.20 × 335,896.80
  4. Step 4: Simplify right side
    809,163.60x = 407,742,169,628.16
  5. Step 5: Solve for x
    x = 407,742,169,628.16/809,163.60
  6. Step 6: Final answer
    x = 503,905.72

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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.