Home / 669,306.96-1,004,083.64-220,053.20

Finding the Fourth Proportional to 669,306.96, 1,004,083.64 and 220,053.20

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Solution

The fourth proportional to 669,306.96, 1,004,083.64 and 220,053.20 is: 330,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,306.96 : 1,004,083.64 = 220,053.20 : x
  2. Step 2: Convert to fraction form
    669,306.96/1,004,083.64 = 220,053.20/x
  3. Step 3: Cross multiply
    669,306.96x = 1,004,083.64 × 220,053.20
  4. Step 4: Simplify right side
    669,306.96x = 220,951,818,049.65
  5. Step 5: Solve for x
    x = 220,951,818,049.65/669,306.96
  6. Step 6: Final answer
    x = 330,120.31

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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.