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Finding the Fourth Proportional to 576,936.96, 796,120.32 and 322,252.80

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Solution

The fourth proportional to 576,936.96, 796,120.32 and 322,252.80 is: 444,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,936.96 : 796,120.32 = 322,252.80 : x
  2. Step 2: Convert to fraction form
    576,936.96/796,120.32 = 322,252.80/x
  3. Step 3: Cross multiply
    576,936.96x = 796,120.32 × 322,252.80
  4. Step 4: Simplify right side
    576,936.96x = 256,552,002,256.90
  5. Step 5: Solve for x
    x = 256,552,002,256.90/576,936.96
  6. Step 6: Final answer
    x = 444,679.44

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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.