Home / 800,439.66-1,200,093.30-400,793.76

Finding the Fourth Proportional to 800,439.66, 1,200,093.30 and 400,793.76

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Solution

The fourth proportional to 800,439.66, 1,200,093.30 and 400,793.76 is: 600,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,439.66 : 1,200,093.30 = 400,793.76 : x
  2. Step 2: Convert to fraction form
    800,439.66/1,200,093.30 = 400,793.76/x
  3. Step 3: Cross multiply
    800,439.66x = 1,200,093.30 × 400,793.76
  4. Step 4: Simplify right side
    800,439.66x = 480,989,906,057.81
  5. Step 5: Solve for x
    x = 480,989,906,057.81/800,439.66
  6. Step 6: Final answer
    x = 600,907.14

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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.