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Finding the Fourth Proportional to 995,954.54, 1,493,491.16 and 285,817.82

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Solution

The fourth proportional to 995,954.54, 1,493,491.16 and 285,817.82 is: 428,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,954.54 : 1,493,491.16 = 285,817.82 : x
  2. Step 2: Convert to fraction form
    995,954.54/1,493,491.16 = 285,817.82/x
  3. Step 3: Cross multiply
    995,954.54x = 1,493,491.16 × 285,817.82
  4. Step 4: Simplify right side
    995,954.54x = 426,866,380,787.56
  5. Step 5: Solve for x
    x = 426,866,380,787.56/995,954.54
  6. Step 6: Final answer
    x = 428,600.27

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1.5x scale

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.