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Finding the Fourth Proportional to 422,330.36, 632,022.89 and 345,541.44

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Solution

The fourth proportional to 422,330.36, 632,022.89 and 345,541.44 is: 517,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,330.36 : 632,022.89 = 345,541.44 : x
  2. Step 2: Convert to fraction form
    422,330.36/632,022.89 = 345,541.44/x
  3. Step 3: Cross multiply
    422,330.36x = 632,022.89 × 345,541.44
  4. Step 4: Simplify right side
    422,330.36x = 218,390,097,795.85
  5. Step 5: Solve for x
    x = 218,390,097,795.85/422,330.36
  6. Step 6: Final answer
    x = 517,107.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.