Home / 800,729.82-1,104,958.53-456,517.62

Finding the Fourth Proportional to 800,729.82, 1,104,958.53 and 456,517.62

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Solution

The fourth proportional to 800,729.82, 1,104,958.53 and 456,517.62 is: 629,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,729.82 : 1,104,958.53 = 456,517.62 : x
  2. Step 2: Convert to fraction form
    800,729.82/1,104,958.53 = 456,517.62/x
  3. Step 3: Cross multiply
    800,729.82x = 1,104,958.53 × 456,517.62
  4. Step 4: Simplify right side
    800,729.82x = 504,433,038,314.30
  5. Step 5: Solve for x
    x = 504,433,038,314.30/800,729.82
  6. Step 6: Final answer
    x = 629,966.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.