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Finding the Fourth Proportional to 627,354.63, 940,502.97 and 272,101.23

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Solution

The fourth proportional to 627,354.63, 940,502.97 and 272,101.23 is: 407,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,354.63 : 940,502.97 = 272,101.23 : x
  2. Step 2: Convert to fraction form
    627,354.63/940,502.97 = 272,101.23/x
  3. Step 3: Cross multiply
    627,354.63x = 940,502.97 × 272,101.23
  4. Step 4: Simplify right side
    627,354.63x = 255,912,014,955.65
  5. Step 5: Solve for x
    x = 255,912,014,955.65/627,354.63
  6. Step 6: Final answer
    x = 407,922.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.