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Finding the Fourth Proportional to 508,211.64, 762,774.42 and 271,756.44

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Solution

The fourth proportional to 508,211.64, 762,774.42 and 271,756.44 is: 407,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,211.64 : 762,774.42 = 271,756.44 : x
  2. Step 2: Convert to fraction form
    508,211.64/762,774.42 = 271,756.44/x
  3. Step 3: Cross multiply
    508,211.64x = 762,774.42 × 271,756.44
  4. Step 4: Simplify right side
    508,211.64x = 207,288,860,902.27
  5. Step 5: Solve for x
    x = 207,288,860,902.27/508,211.64
  6. Step 6: Final answer
    x = 407,879.01

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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.