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Finding the Fourth Proportional to 577,369.62, 796,771.08 and 322,720.61

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Solution

The fourth proportional to 577,369.62, 796,771.08 and 322,720.61 is: 445,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,369.62 : 796,771.08 = 322,720.61 : x
  2. Step 2: Convert to fraction form
    577,369.62/796,771.08 = 322,720.61/x
  3. Step 3: Cross multiply
    577,369.62x = 796,771.08 × 322,720.61
  4. Step 4: Simplify right side
    577,369.62x = 257,134,444,984.10
  5. Step 5: Solve for x
    x = 257,134,444,984.10/577,369.62
  6. Step 6: Final answer
    x = 445,355.00

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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.