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Finding the Fourth Proportional to 512,500.64, 768,313.56 and 362,268.32

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Solution

The fourth proportional to 512,500.64, 768,313.56 and 362,268.32 is: 543,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,500.64 : 768,313.56 = 362,268.32 : x
  2. Step 2: Convert to fraction form
    512,500.64/768,313.56 = 362,268.32/x
  3. Step 3: Cross multiply
    512,500.64x = 768,313.56 × 362,268.32
  4. Step 4: Simplify right side
    512,500.64x = 278,335,662,614.42
  5. Step 5: Solve for x
    x = 278,335,662,614.42/512,500.64
  6. Step 6: Final answer
    x = 543,093.30

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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.