Home / 769,992.68-1,062,721.01-447,889.50

Finding the Fourth Proportional to 769,992.68, 1,062,721.01 and 447,889.50

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Solution

The fourth proportional to 769,992.68, 1,062,721.01 and 447,889.50 is: 618,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,992.68 : 1,062,721.01 = 447,889.50 : x
  2. Step 2: Convert to fraction form
    769,992.68/1,062,721.01 = 447,889.50/x
  3. Step 3: Cross multiply
    769,992.68x = 1,062,721.01 × 447,889.50
  4. Step 4: Simplify right side
    769,992.68x = 475,981,582,928.12
  5. Step 5: Solve for x
    x = 475,981,582,928.12/769,992.68
  6. Step 6: Final answer
    x = 618,163.77

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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.