Home / 627,360.82-940,512.22-272,107.28

Finding the Fourth Proportional to 627,360.82, 940,512.22 and 272,107.28

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Solution

The fourth proportional to 627,360.82, 940,512.22 and 272,107.28 is: 407,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,360.82 : 940,512.22 = 272,107.28 : x
  2. Step 2: Convert to fraction form
    627,360.82/940,512.22 = 272,107.28/x
  3. Step 3: Cross multiply
    627,360.82x = 940,512.22 × 272,107.28
  4. Step 4: Simplify right side
    627,360.82x = 255,920,221,990.96
  5. Step 5: Solve for x
    x = 255,920,221,990.96/627,360.82
  6. Step 6: Final answer
    x = 407,931.47

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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.