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Finding the Fourth Proportional to 451,327.71, 622,896.04 and 279,301.08

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Solution

The fourth proportional to 451,327.71, 622,896.04 and 279,301.08 is: 385,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,327.71 : 622,896.04 = 279,301.08 : x
  2. Step 2: Convert to fraction form
    451,327.71/622,896.04 = 279,301.08/x
  3. Step 3: Cross multiply
    451,327.71x = 622,896.04 × 279,301.08
  4. Step 4: Simplify right side
    451,327.71x = 173,975,535,880.92
  5. Step 5: Solve for x
    x = 173,975,535,880.92/451,327.71
  6. Step 6: Final answer
    x = 385,474.97

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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.