Home / 676,729.42-1,015,094.90-203,414.78

Finding the Fourth Proportional to 676,729.42, 1,015,094.90 and 203,414.78

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Solution

The fourth proportional to 676,729.42, 1,015,094.90 and 203,414.78 is: 305,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,729.42 : 1,015,094.90 = 203,414.78 : x
  2. Step 2: Convert to fraction form
    676,729.42/1,015,094.90 = 203,414.78/x
  3. Step 3: Cross multiply
    676,729.42x = 1,015,094.90 × 203,414.78
  4. Step 4: Simplify right side
    676,729.42x = 206,485,302,989.62
  5. Step 5: Solve for x
    x = 206,485,302,989.62/676,729.42
  6. Step 6: Final answer
    x = 305,122.40

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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.