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Finding the Fourth Proportional to 533,559.52, 800,340.64 and 218,016.42

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Solution

The fourth proportional to 533,559.52, 800,340.64 and 218,016.42 is: 327,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559.52 : 800,340.64 = 218,016.42 : x
  2. Step 2: Convert to fraction form
    533,559.52/800,340.64 = 218,016.42/x
  3. Step 3: Cross multiply
    533,559.52x = 800,340.64 × 218,016.42
  4. Step 4: Simplify right side
    533,559.52x = 174,487,400,568.27
  5. Step 5: Solve for x
    x = 174,487,400,568.27/533,559.52
  6. Step 6: Final answer
    x = 327,025.19

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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.