Home / 669,274.38-1,004,279.92-290,198.03

Finding the Fourth Proportional to 669,274.38, 1,004,279.92 and 290,198.03

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Solution

The fourth proportional to 669,274.38, 1,004,279.92 and 290,198.03 is: 435,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,274.38 : 1,004,279.92 = 290,198.03 : x
  2. Step 2: Convert to fraction form
    669,274.38/1,004,279.92 = 290,198.03/x
  3. Step 3: Cross multiply
    669,274.38x = 1,004,279.92 × 290,198.03
  4. Step 4: Simplify right side
    669,274.38x = 291,440,052,567.35
  5. Step 5: Solve for x
    x = 291,440,052,567.35/669,274.38
  6. Step 6: Final answer
    x = 435,456.76

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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.