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Finding the Fourth Proportional to 577,230.80, 796,576.20 and 322,581.92

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Solution

The fourth proportional to 577,230.80, 796,576.20 and 322,581.92 is: 445,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,230.80 : 796,576.20 = 322,581.92 : x
  2. Step 2: Convert to fraction form
    577,230.80/796,576.20 = 322,581.92/x
  3. Step 3: Cross multiply
    577,230.80x = 796,576.20 × 322,581.92
  4. Step 4: Simplify right side
    577,230.80x = 256,961,080,022.30
  5. Step 5: Solve for x
    x = 256,961,080,022.30/577,230.80
  6. Step 6: Final answer
    x = 445,161.76

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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.