Home / 739,168.03-1,109,375.21-290,204.20

Finding the Fourth Proportional to 739,168.03, 1,109,375.21 and 290,204.20

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Solution

The fourth proportional to 739,168.03, 1,109,375.21 and 290,204.20 is: 435,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,168.03 : 1,109,375.21 = 290,204.20 : x
  2. Step 2: Convert to fraction form
    739,168.03/1,109,375.21 = 290,204.20/x
  3. Step 3: Cross multiply
    739,168.03x = 1,109,375.21 × 290,204.20
  4. Step 4: Simplify right side
    739,168.03x = 321,945,345,317.88
  5. Step 5: Solve for x
    x = 321,945,345,317.88/739,168.03
  6. Step 6: Final answer
    x = 435,550.96

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1.5x scale

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.