Home / 796,439.80-1,099,086.44-438,743.80

Finding the Fourth Proportional to 796,439.80, 1,099,086.44 and 438,743.80

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Solution

The fourth proportional to 796,439.80, 1,099,086.44 and 438,743.80 is: 605,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,439.80 : 1,099,086.44 = 438,743.80 : x
  2. Step 2: Convert to fraction form
    796,439.80/1,099,086.44 = 438,743.80/x
  3. Step 3: Cross multiply
    796,439.80x = 1,099,086.44 × 438,743.80
  4. Step 4: Simplify right side
    796,439.80x = 482,217,361,214.07
  5. Step 5: Solve for x
    x = 482,217,361,214.07/796,439.80
  6. Step 6: Final answer
    x = 605,466.18

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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.