Home / 558,418.14-770,616.45-303,768.72

Finding the Fourth Proportional to 558,418.14, 770,616.45 and 303,768.72

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Solution

The fourth proportional to 558,418.14, 770,616.45 and 303,768.72 is: 419,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,418.14 : 770,616.45 = 303,768.72 : x
  2. Step 2: Convert to fraction form
    558,418.14/770,616.45 = 303,768.72/x
  3. Step 3: Cross multiply
    558,418.14x = 770,616.45 × 303,768.72
  4. Step 4: Simplify right side
    558,418.14x = 234,089,172,627.44
  5. Step 5: Solve for x
    x = 234,089,172,627.44/558,418.14
  6. Step 6: Final answer
    x = 419,200.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.