Home / 394,821.40-544,853.53-213,533.33

Finding the Fourth Proportional to 394,821.40, 544,853.53 and 213,533.33

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Solution

The fourth proportional to 394,821.40, 544,853.53 and 213,533.33 is: 294,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,821.40 : 544,853.53 = 213,533.33 : x
  2. Step 2: Convert to fraction form
    394,821.40/544,853.53 = 213,533.33/x
  3. Step 3: Cross multiply
    394,821.40x = 544,853.53 × 213,533.33
  4. Step 4: Simplify right side
    394,821.40x = 116,344,388,623.16
  5. Step 5: Solve for x
    x = 116,344,388,623.16/394,821.40
  6. Step 6: Final answer
    x = 294,675.99

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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.