Home / 394,873.07-544,922.79-213,584.81

Finding the Fourth Proportional to 394,873.07, 544,922.79 and 213,584.81

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Solution

The fourth proportional to 394,873.07, 544,922.79 and 213,584.81 is: 294,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,873.07 : 544,922.79 = 213,584.81 : x
  2. Step 2: Convert to fraction form
    394,873.07/544,922.79 = 213,584.81/x
  3. Step 3: Cross multiply
    394,873.07x = 544,922.79 × 213,584.81
  4. Step 4: Simplify right side
    394,873.07x = 116,387,230,566.82
  5. Step 5: Solve for x
    x = 116,387,230,566.82/394,873.07
  6. Step 6: Final answer
    x = 294,745.93

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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.