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Finding the Fourth Proportional to 834,851.76, 1,252,481.44 and 266,232.86

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Solution

The fourth proportional to 834,851.76, 1,252,481.44 and 266,232.86 is: 399,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,851.76 : 1,252,481.44 = 266,232.86 : x
  2. Step 2: Convert to fraction form
    834,851.76/1,252,481.44 = 266,232.86/x
  3. Step 3: Cross multiply
    834,851.76x = 1,252,481.44 × 266,232.86
  4. Step 4: Simplify right side
    834,851.76x = 333,451,715,868.12
  5. Step 5: Solve for x
    x = 333,451,715,868.12/834,851.76
  6. Step 6: Final answer
    x = 399,414.28

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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.