Home / 891,103.62-1,336,121.64-283,629.54

Finding the Fourth Proportional to 891,103.62, 1,336,121.64 and 283,629.54

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Solution

The fourth proportional to 891,103.62, 1,336,121.64 and 283,629.54 is: 425,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,103.62 : 1,336,121.64 = 283,629.54 : x
  2. Step 2: Convert to fraction form
    891,103.62/1,336,121.64 = 283,629.54/x
  3. Step 3: Cross multiply
    891,103.62x = 1,336,121.64 × 283,629.54
  4. Step 4: Simplify right side
    891,103.62x = 378,963,566,137.25
  5. Step 5: Solve for x
    x = 378,963,566,137.25/891,103.62
  6. Step 6: Final answer
    x = 425,274.41

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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.