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Finding the Fourth Proportional to 468,914.04, 647,101.74 and 275,283.84

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Solution

The fourth proportional to 468,914.04, 647,101.74 and 275,283.84 is: 379,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,914.04 : 647,101.74 = 275,283.84 : x
  2. Step 2: Convert to fraction form
    468,914.04/647,101.74 = 275,283.84/x
  3. Step 3: Cross multiply
    468,914.04x = 647,101.74 × 275,283.84
  4. Step 4: Simplify right side
    468,914.04x = 178,136,651,857.88
  5. Step 5: Solve for x
    x = 178,136,651,857.88/468,914.04
  6. Step 6: Final answer
    x = 379,891.91

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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.