Home / 470,998-649,977.24-269,806.96

Finding the Fourth Proportional to 470,998, 649,977.24 and 269,806.96

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Solution

The fourth proportional to 470,998, 649,977.24 and 269,806.96 is: 372,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,998 : 649,977.24 = 269,806.96 : x
  2. Step 2: Convert to fraction form
    470,998/649,977.24 = 269,806.96/x
  3. Step 3: Cross multiply
    470,998x = 649,977.24 × 269,806.96
  4. Step 4: Simplify right side
    470,998x = 175,368,383,193.59
  5. Step 5: Solve for x
    x = 175,368,383,193.59/470,998
  6. Step 6: Final answer
    x = 372,333.60

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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.