Home / 891,102.87-1,336,120.52-283,628.79

Finding the Fourth Proportional to 891,102.87, 1,336,120.52 and 283,628.79

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Solution

The fourth proportional to 891,102.87, 1,336,120.52 and 283,628.79 is: 425,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,102.87 : 1,336,120.52 = 283,628.79 : x
  2. Step 2: Convert to fraction form
    891,102.87/1,336,120.52 = 283,628.79/x
  3. Step 3: Cross multiply
    891,102.87x = 1,336,120.52 × 283,628.79
  4. Step 4: Simplify right side
    891,102.87x = 378,962,244,963.63
  5. Step 5: Solve for x
    x = 378,962,244,963.63/891,102.87
  6. Step 6: Final answer
    x = 425,273.29

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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.