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Finding the Fourth Proportional to 558,004.82, 770,052.08 and 303,361.47

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Solution

The fourth proportional to 558,004.82, 770,052.08 and 303,361.47 is: 418,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,004.82 : 770,052.08 = 303,361.47 : x
  2. Step 2: Convert to fraction form
    558,004.82/770,052.08 = 303,361.47/x
  3. Step 3: Cross multiply
    558,004.82x = 770,052.08 × 303,361.47
  4. Step 4: Simplify right side
    558,004.82x = 233,604,131,723.76
  5. Step 5: Solve for x
    x = 233,604,131,723.76/558,004.82
  6. Step 6: Final answer
    x = 418,641.78

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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.