Home / 994,388.28-1,372,153.56-558,736.44

Finding the Fourth Proportional to 994,388.28, 1,372,153.56 and 558,736.44

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Solution

The fourth proportional to 994,388.28, 1,372,153.56 and 558,736.44 is: 770,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,388.28 : 1,372,153.56 = 558,736.44 : x
  2. Step 2: Convert to fraction form
    994,388.28/1,372,153.56 = 558,736.44/x
  3. Step 3: Cross multiply
    994,388.28x = 1,372,153.56 × 558,736.44
  4. Step 4: Simplify right side
    994,388.28x = 766,672,195,247.73
  5. Step 5: Solve for x
    x = 766,672,195,247.73/994,388.28
  6. Step 6: Final answer
    x = 770,998.82

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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.