Home / 754,248.48-1,131,076.20-274,362.36

Finding the Fourth Proportional to 754,248.48, 1,131,076.20 and 274,362.36

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Solution

The fourth proportional to 754,248.48, 1,131,076.20 and 274,362.36 is: 411,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,248.48 : 1,131,076.20 = 274,362.36 : x
  2. Step 2: Convert to fraction form
    754,248.48/1,131,076.20 = 274,362.36/x
  3. Step 3: Cross multiply
    754,248.48x = 1,131,076.20 × 274,362.36
  4. Step 4: Simplify right side
    754,248.48x = 310,324,735,571.83
  5. Step 5: Solve for x
    x = 310,324,735,571.83/754,248.48
  6. Step 6: Final answer
    x = 411,435.68

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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.