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Finding the Fourth Proportional to 627,606.23, 940,880.23 and 272,352.65

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Solution

The fourth proportional to 627,606.23, 940,880.23 and 272,352.65 is: 408,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,606.23 : 940,880.23 = 272,352.65 : x
  2. Step 2: Convert to fraction form
    627,606.23/940,880.23 = 272,352.65/x
  3. Step 3: Cross multiply
    627,606.23x = 940,880.23 × 272,352.65
  4. Step 4: Simplify right side
    627,606.23x = 256,251,218,587.83
  5. Step 5: Solve for x
    x = 256,251,218,587.83/627,606.23
  6. Step 6: Final answer
    x = 408,299.36

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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.