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Finding the Fourth Proportional to 577,209.69, 796,550.46 and 322,560.88

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Solution

The fourth proportional to 577,209.69, 796,550.46 and 322,560.88 is: 445,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,209.69 : 796,550.46 = 322,560.88 : x
  2. Step 2: Convert to fraction form
    577,209.69/796,550.46 = 322,560.88/x
  3. Step 3: Cross multiply
    577,209.69x = 796,550.46 × 322,560.88
  4. Step 4: Simplify right side
    577,209.69x = 256,936,014,733.51
  5. Step 5: Solve for x
    x = 256,936,014,733.51/577,209.69
  6. Step 6: Final answer
    x = 445,134.62

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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.