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Finding the Fourth Proportional to 533,615.08, 800,422.64 and 252,979.24

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Solution

The fourth proportional to 533,615.08, 800,422.64 and 252,979.24 is: 379,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,615.08 : 800,422.64 = 252,979.24 : x
  2. Step 2: Convert to fraction form
    533,615.08/800,422.64 = 252,979.24/x
  3. Step 3: Cross multiply
    533,615.08x = 800,422.64 × 252,979.24
  4. Step 4: Simplify right side
    533,615.08x = 202,490,311,145.99
  5. Step 5: Solve for x
    x = 202,490,311,145.99/533,615.08
  6. Step 6: Final answer
    x = 379,468.87

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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.