Home / 796,439.54-1,099,086.09-438,743.54

Finding the Fourth Proportional to 796,439.54, 1,099,086.09 and 438,743.54

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Solution

The fourth proportional to 796,439.54, 1,099,086.09 and 438,743.54 is: 605,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,439.54 : 1,099,086.09 = 438,743.54 : x
  2. Step 2: Convert to fraction form
    796,439.54/1,099,086.09 = 438,743.54/x
  3. Step 3: Cross multiply
    796,439.54x = 1,099,086.09 × 438,743.54
  4. Step 4: Simplify right side
    796,439.54x = 482,216,921,891.36
  5. Step 5: Solve for x
    x = 482,216,921,891.36/796,439.54
  6. Step 6: Final answer
    x = 605,465.82

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Double scale
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1.5x scale

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.