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Finding the Fourth Proportional to 558,519.62, 770,764.97 and 303,871.01

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Solution

The fourth proportional to 558,519.62, 770,764.97 and 303,871.01 is: 419,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,519.62 : 770,764.97 = 303,871.01 : x
  2. Step 2: Convert to fraction form
    558,519.62/770,764.97 = 303,871.01/x
  3. Step 3: Cross multiply
    558,519.62x = 770,764.97 × 303,871.01
  4. Step 4: Simplify right side
    558,519.62x = 234,213,128,387.17
  5. Step 5: Solve for x
    x = 234,213,128,387.17/558,519.62
  6. Step 6: Final answer
    x = 419,346.29

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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.