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Finding the Fourth Proportional to 544,361.87, 751,261.41 and 326,578.71

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Solution

The fourth proportional to 544,361.87, 751,261.41 and 326,578.71 is: 450,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,361.87 : 751,261.41 = 326,578.71 : x
  2. Step 2: Convert to fraction form
    544,361.87/751,261.41 = 326,578.71/x
  3. Step 3: Cross multiply
    544,361.87x = 751,261.41 × 326,578.71
  4. Step 4: Simplify right side
    544,361.87x = 245,345,981,936.39
  5. Step 5: Solve for x
    x = 245,345,981,936.39/544,361.87
  6. Step 6: Final answer
    x = 450,703.84

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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.