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Finding the Fourth Proportional to 394,449.82, 544,005.42 and 333,493.24

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Solution

The fourth proportional to 394,449.82, 544,005.42 and 333,493.24 is: 459,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,449.82 : 544,005.42 = 333,493.24 : x
  2. Step 2: Convert to fraction form
    394,449.82/544,005.42 = 333,493.24/x
  3. Step 3: Cross multiply
    394,449.82x = 544,005.42 × 333,493.24
  4. Step 4: Simplify right side
    394,449.82x = 181,422,130,093.36
  5. Step 5: Solve for x
    x = 181,422,130,093.36/394,449.82
  6. Step 6: Final answer
    x = 459,937.16

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1.5x scale

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.