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Finding the Fourth Proportional to 422,258.80, 633,496.20 and 297,842.80

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Solution

The fourth proportional to 422,258.80, 633,496.20 and 297,842.80 is: 446,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,258.80 : 633,496.20 = 297,842.80 : x
  2. Step 2: Convert to fraction form
    422,258.80/633,496.20 = 297,842.80/x
  3. Step 3: Cross multiply
    422,258.80x = 633,496.20 × 297,842.80
  4. Step 4: Simplify right side
    422,258.80x = 188,682,281,997.36
  5. Step 5: Solve for x
    x = 188,682,281,997.36/422,258.80
  6. Step 6: Final answer
    x = 446,840.38

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Why These Related Problems?

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