Home / 800,632.87-1,200,760.63-294,919.22

Finding the Fourth Proportional to 800,632.87, 1,200,760.63 and 294,919.22

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Solution

The fourth proportional to 800,632.87, 1,200,760.63 and 294,919.22 is: 442,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,632.87 : 1,200,760.63 = 294,919.22 : x
  2. Step 2: Convert to fraction form
    800,632.87/1,200,760.63 = 294,919.22/x
  3. Step 3: Cross multiply
    800,632.87x = 1,200,760.63 × 294,919.22
  4. Step 4: Simplify right side
    800,632.87x = 354,127,388,406.31
  5. Step 5: Solve for x
    x = 354,127,388,406.31/800,632.87
  6. Step 6: Final answer
    x = 442,309.33

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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.