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Finding the Fourth Proportional to 888,813, 1,333,219.50 and 223,965

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Solution

The fourth proportional to 888,813, 1,333,219.50 and 223,965 is: 335,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,813 : 1,333,219.50 = 223,965 : x
  2. Step 2: Convert to fraction form
    888,813/1,333,219.50 = 223,965/x
  3. Step 3: Cross multiply
    888,813x = 1,333,219.50 × 223,965
  4. Step 4: Simplify right side
    888,813x = 298,594,505,317.50
  5. Step 5: Solve for x
    x = 298,594,505,317.50/888,813
  6. Step 6: Final answer
    x = 335,947.50

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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.