Home / 677,772.36-1,015,997.52-322,691.04

Finding the Fourth Proportional to 677,772.36, 1,015,997.52 and 322,691.04

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Solution

The fourth proportional to 677,772.36, 1,015,997.52 and 322,691.04 is: 483,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,772.36 : 1,015,997.52 = 322,691.04 : x
  2. Step 2: Convert to fraction form
    677,772.36/1,015,997.52 = 322,691.04/x
  3. Step 3: Cross multiply
    677,772.36x = 1,015,997.52 × 322,691.04
  4. Step 4: Simplify right side
    677,772.36x = 327,853,296,366.22
  5. Step 5: Solve for x
    x = 327,853,296,366.22/677,772.36
  6. Step 6: Final answer
    x = 483,721.84

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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.