Home / 891,103.31-1,336,121.15-283,629.23

Finding the Fourth Proportional to 891,103.31, 1,336,121.15 and 283,629.23

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Solution

The fourth proportional to 891,103.31, 1,336,121.15 and 283,629.23 is: 425,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,103.31 : 1,336,121.15 = 283,629.23 : x
  2. Step 2: Convert to fraction form
    891,103.31/1,336,121.15 = 283,629.23/x
  3. Step 3: Cross multiply
    891,103.31x = 1,336,121.15 × 283,629.23
  4. Step 4: Simplify right side
    891,103.31x = 378,963,004,862.46
  5. Step 5: Solve for x
    x = 378,963,004,862.46/891,103.31
  6. Step 6: Final answer
    x = 425,273.93

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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.