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Finding the Fourth Proportional to 862,796.80, 1,294,233.60 and 294,169.60

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Solution

The fourth proportional to 862,796.80, 1,294,233.60 and 294,169.60 is: 441,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,796.80 : 1,294,233.60 = 294,169.60 : x
  2. Step 2: Convert to fraction form
    862,796.80/1,294,233.60 = 294,169.60/x
  3. Step 3: Cross multiply
    862,796.80x = 1,294,233.60 × 294,169.60
  4. Step 4: Simplify right side
    862,796.80x = 380,724,180,418.56
  5. Step 5: Solve for x
    x = 380,724,180,418.56/862,796.80
  6. Step 6: Final answer
    x = 441,267.49

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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.