Home / 381,976.80-573,577.20-303,741.60

Finding the Fourth Proportional to 381,976.80, 573,577.20 and 303,741.60

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Solution

The fourth proportional to 381,976.80, 573,577.20 and 303,741.60 is: 456,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,976.80 : 573,577.20 = 303,741.60 : x
  2. Step 2: Convert to fraction form
    381,976.80/573,577.20 = 303,741.60/x
  3. Step 3: Cross multiply
    381,976.80x = 573,577.20 × 303,741.60
  4. Step 4: Simplify right side
    381,976.80x = 174,219,256,451.52
  5. Step 5: Solve for x
    x = 174,219,256,451.52/381,976.80
  6. Step 6: Final answer
    x = 456,099.05

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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.