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Finding the Fourth Proportional to 659,150.08, 989,019.20 and 303,973.44

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Solution

The fourth proportional to 659,150.08, 989,019.20 and 303,973.44 is: 456,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,150.08 : 989,019.20 = 303,973.44 : x
  2. Step 2: Convert to fraction form
    659,150.08/989,019.20 = 303,973.44/x
  3. Step 3: Cross multiply
    659,150.08x = 989,019.20 × 303,973.44
  4. Step 4: Simplify right side
    659,150.08x = 300,635,568,450.05
  5. Step 5: Solve for x
    x = 300,635,568,450.05/659,150.08
  6. Step 6: Final answer
    x = 456,095.78

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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.