Home / 456,538.82-684,954.04-219,905.42

Finding the Fourth Proportional to 456,538.82, 684,954.04 and 219,905.42

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Solution

The fourth proportional to 456,538.82, 684,954.04 and 219,905.42 is: 329,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,538.82 : 684,954.04 = 219,905.42 : x
  2. Step 2: Convert to fraction form
    456,538.82/684,954.04 = 219,905.42/x
  3. Step 3: Cross multiply
    456,538.82x = 684,954.04 × 219,905.42
  4. Step 4: Simplify right side
    456,538.82x = 150,625,105,846.90
  5. Step 5: Solve for x
    x = 150,625,105,846.90/456,538.82
  6. Step 6: Final answer
    x = 329,928.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.