Home / 627,366.33-940,520.43-272,112.75

Finding the Fourth Proportional to 627,366.33, 940,520.43 and 272,112.75

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Solution

The fourth proportional to 627,366.33, 940,520.43 and 272,112.75 is: 407,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,366.33 : 940,520.43 = 272,112.75 : x
  2. Step 2: Convert to fraction form
    627,366.33/940,520.43 = 272,112.75/x
  3. Step 3: Cross multiply
    627,366.33x = 940,520.43 × 272,112.75
  4. Step 4: Simplify right side
    627,366.33x = 255,927,600,638.48
  5. Step 5: Solve for x
    x = 255,927,600,638.48/627,366.33
  6. Step 6: Final answer
    x = 407,939.65

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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.