Home / 691,679.20-1,037,713.20-336,704.80

Finding the Fourth Proportional to 691,679.20, 1,037,713.20 and 336,704.80

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Solution

The fourth proportional to 691,679.20, 1,037,713.20 and 336,704.80 is: 505,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,679.20 : 1,037,713.20 = 336,704.80 : x
  2. Step 2: Convert to fraction form
    691,679.20/1,037,713.20 = 336,704.80/x
  3. Step 3: Cross multiply
    691,679.20x = 1,037,713.20 × 336,704.80
  4. Step 4: Simplify right side
    691,679.20x = 349,403,015,463.36
  5. Step 5: Solve for x
    x = 349,403,015,463.36/691,679.20
  6. Step 6: Final answer
    x = 505,151.83

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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.