Home / 394,822.81-544,922.47-222,789.54

Finding the Fourth Proportional to 394,822.81, 544,922.47 and 222,789.54

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Solution

The fourth proportional to 394,822.81, 544,922.47 and 222,789.54 is: 307,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,822.81 : 544,922.47 = 222,789.54 : x
  2. Step 2: Convert to fraction form
    394,822.81/544,922.47 = 222,789.54/x
  3. Step 3: Cross multiply
    394,822.81x = 544,922.47 × 222,789.54
  4. Step 4: Simplify right side
    394,822.81x = 121,403,026,426.96
  5. Step 5: Solve for x
    x = 121,403,026,426.96/394,822.81
  6. Step 6: Final answer
    x = 307,487.37

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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.