Home / 394,870.44-544,921.26-213,582.42

Finding the Fourth Proportional to 394,870.44, 544,921.26 and 213,582.42

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Solution

The fourth proportional to 394,870.44, 544,921.26 and 213,582.42 is: 294,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,870.44 : 544,921.26 = 213,582.42 : x
  2. Step 2: Convert to fraction form
    394,870.44/544,921.26 = 213,582.42/x
  3. Step 3: Cross multiply
    394,870.44x = 544,921.26 × 213,582.42
  4. Step 4: Simplify right side
    394,870.44x = 116,385,601,420.25
  5. Step 5: Solve for x
    x = 116,385,601,420.25/394,870.44
  6. Step 6: Final answer
    x = 294,743.77

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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.