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Finding the Fourth Proportional to 577,124.36, 796,435.62 and 322,486.28

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Solution

The fourth proportional to 577,124.36, 796,435.62 and 322,486.28 is: 445,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,124.36 : 796,435.62 = 322,486.28 : x
  2. Step 2: Convert to fraction form
    577,124.36/796,435.62 = 322,486.28/x
  3. Step 3: Cross multiply
    577,124.36x = 796,435.62 × 322,486.28
  4. Step 4: Simplify right side
    577,124.36x = 256,839,560,353.29
  5. Step 5: Solve for x
    x = 256,839,560,353.29/577,124.36
  6. Step 6: Final answer
    x = 445,033.30

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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.