Home / 754,572.70-1,131,736-221,969.15

Finding the Fourth Proportional to 754,572.70, 1,131,736 and 221,969.15

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Solution

The fourth proportional to 754,572.70, 1,131,736 and 221,969.15 is: 332,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,572.70 : 1,131,736 = 221,969.15 : x
  2. Step 2: Convert to fraction form
    754,572.70/1,131,736 = 221,969.15/x
  3. Step 3: Cross multiply
    754,572.70x = 1,131,736 × 221,969.15
  4. Step 4: Simplify right side
    754,572.70x = 251,210,477,944.40
  5. Step 5: Solve for x
    x = 251,210,477,944.40/754,572.70
  6. Step 6: Final answer
    x = 332,917.53

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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.