Home / 796,831-1,099,626.78-439,135

Finding the Fourth Proportional to 796,831, 1,099,626.78 and 439,135

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Solution

The fourth proportional to 796,831, 1,099,626.78 and 439,135 is: 606,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,831 : 1,099,626.78 = 439,135 : x
  2. Step 2: Convert to fraction form
    796,831/1,099,626.78 = 439,135/x
  3. Step 3: Cross multiply
    796,831x = 1,099,626.78 × 439,135
  4. Step 4: Simplify right side
    796,831x = 482,884,606,035.30
  5. Step 5: Solve for x
    x = 482,884,606,035.30/796,831
  6. Step 6: Final answer
    x = 606,006.30

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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.