Home / 627,358.82-940,509.23-272,105.28

Finding the Fourth Proportional to 627,358.82, 940,509.23 and 272,105.28

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Solution

The fourth proportional to 627,358.82, 940,509.23 and 272,105.28 is: 407,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,358.82 : 940,509.23 = 272,105.28 : x
  2. Step 2: Convert to fraction form
    627,358.82/940,509.23 = 272,105.28/x
  3. Step 3: Cross multiply
    627,358.82x = 940,509.23 × 272,105.28
  4. Step 4: Simplify right side
    627,358.82x = 255,917,526,011.21
  5. Step 5: Solve for x
    x = 255,917,526,011.21/627,358.82
  6. Step 6: Final answer
    x = 407,928.48

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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.