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Finding the Fourth Proportional to 508,180.64, 762,727.84 and 271,725.44

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Solution

The fourth proportional to 508,180.64, 762,727.84 and 271,725.44 is: 407,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,180.64 : 762,727.84 = 271,725.44 : x
  2. Step 2: Convert to fraction form
    508,180.64/762,727.84 = 271,725.44/x
  3. Step 3: Cross multiply
    508,180.64x = 762,727.84 × 271,725.44
  4. Step 4: Simplify right side
    508,180.64x = 207,252,557,924.25
  5. Step 5: Solve for x
    x = 207,252,557,924.25/508,180.64
  6. Step 6: Final answer
    x = 407,832.45

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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.