Home / 769,517.24-1,062,614.64-479,623.56

Finding the Fourth Proportional to 769,517.24, 1,062,614.64 and 479,623.56

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Solution

The fourth proportional to 769,517.24, 1,062,614.64 and 479,623.56 is: 662,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,517.24 : 1,062,614.64 = 479,623.56 : x
  2. Step 2: Convert to fraction form
    769,517.24/1,062,614.64 = 479,623.56/x
  3. Step 3: Cross multiply
    769,517.24x = 1,062,614.64 × 479,623.56
  4. Step 4: Simplify right side
    769,517.24x = 509,655,016,544.92
  5. Step 5: Solve for x
    x = 509,655,016,544.92/769,517.24
  6. Step 6: Final answer
    x = 662,304.87

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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.