Home / 669,101.19-1,003,440.33-219,748.02

Finding the Fourth Proportional to 669,101.19, 1,003,440.33 and 219,748.02

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Solution

The fourth proportional to 669,101.19, 1,003,440.33 and 219,748.02 is: 329,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,101.19 : 1,003,440.33 = 219,748.02 : x
  2. Step 2: Convert to fraction form
    669,101.19/1,003,440.33 = 219,748.02/x
  3. Step 3: Cross multiply
    669,101.19x = 1,003,440.33 × 219,748.02
  4. Step 4: Simplify right side
    669,101.19x = 220,504,025,705.65
  5. Step 5: Solve for x
    x = 220,504,025,705.65/669,101.19
  6. Step 6: Final answer
    x = 329,552.58

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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.