Home / 669,516.03-1,004,163.21-220,242.51

Finding the Fourth Proportional to 669,516.03, 1,004,163.21 and 220,242.51

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Solution

The fourth proportional to 669,516.03, 1,004,163.21 and 220,242.51 is: 330,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,516.03 : 1,004,163.21 = 220,242.51 : x
  2. Step 2: Convert to fraction form
    669,516.03/1,004,163.21 = 220,242.51/x
  3. Step 3: Cross multiply
    669,516.03x = 1,004,163.21 × 220,242.51
  4. Step 4: Simplify right side
    669,516.03x = 221,159,425,820.06
  5. Step 5: Solve for x
    x = 221,159,425,820.06/669,516.03
  6. Step 6: Final answer
    x = 330,327.30

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Double scale
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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.