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Finding the Fourth Proportional to 479,274, 659,843.40 and 377,119.44

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Solution

The fourth proportional to 479,274, 659,843.40 and 377,119.44 is: 519,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,274 : 659,843.40 = 377,119.44 : x
  2. Step 2: Convert to fraction form
    479,274/659,843.40 = 377,119.44/x
  3. Step 3: Cross multiply
    479,274x = 659,843.40 × 377,119.44
  4. Step 4: Simplify right side
    479,274x = 248,839,773,495.70
  5. Step 5: Solve for x
    x = 248,839,773,495.70/479,274
  6. Step 6: Final answer
    x = 519,201.49

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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.