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Finding the Fourth Proportional to 594,662.09, 820,634.11 and 322,729.93

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Solution

The fourth proportional to 594,662.09, 820,634.11 and 322,729.93 is: 445,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,662.09 : 820,634.11 = 322,729.93 : x
  2. Step 2: Convert to fraction form
    594,662.09/820,634.11 = 322,729.93/x
  3. Step 3: Cross multiply
    594,662.09x = 820,634.11 × 322,729.93
  4. Step 4: Simplify right side
    594,662.09x = 264,843,188,875.91
  5. Step 5: Solve for x
    x = 264,843,188,875.91/594,662.09
  6. Step 6: Final answer
    x = 445,367.53

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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.