Home / 456,922.80-684,898.20-220,111.20

Finding the Fourth Proportional to 456,922.80, 684,898.20 and 220,111.20

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Solution

The fourth proportional to 456,922.80, 684,898.20 and 220,111.20 is: 329,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,922.80 : 684,898.20 = 220,111.20 : x
  2. Step 2: Convert to fraction form
    456,922.80/684,898.20 = 220,111.20/x
  3. Step 3: Cross multiply
    456,922.80x = 684,898.20 × 220,111.20
  4. Step 4: Simplify right side
    456,922.80x = 150,753,764,679.84
  5. Step 5: Solve for x
    x = 150,753,764,679.84/456,922.80
  6. Step 6: Final answer
    x = 329,932.68

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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.