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Finding the Fourth Proportional to 444,123.48, 664,887.36 and 330,774

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Solution

The fourth proportional to 444,123.48, 664,887.36 and 330,774 is: 495,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,123.48 : 664,887.36 = 330,774 : x
  2. Step 2: Convert to fraction form
    444,123.48/664,887.36 = 330,774/x
  3. Step 3: Cross multiply
    444,123.48x = 664,887.36 × 330,774
  4. Step 4: Simplify right side
    444,123.48x = 219,927,451,616.64
  5. Step 5: Solve for x
    x = 219,927,451,616.64/444,123.48
  6. Step 6: Final answer
    x = 495,194.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.