Home / 782,992.48-1,080,571.94-438,938.92

Finding the Fourth Proportional to 782,992.48, 1,080,571.94 and 438,938.92

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Solution

The fourth proportional to 782,992.48, 1,080,571.94 and 438,938.92 is: 605,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,992.48 : 1,080,571.94 = 438,938.92 : x
  2. Step 2: Convert to fraction form
    782,992.48/1,080,571.94 = 438,938.92/x
  3. Step 3: Cross multiply
    782,992.48x = 1,080,571.94 × 438,938.92
  4. Step 4: Simplify right side
    782,992.48x = 474,305,080,325.91
  5. Step 5: Solve for x
    x = 474,305,080,325.91/782,992.48
  6. Step 6: Final answer
    x = 605,759.43

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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.