Home / 754,428.46-1,131,773.73-305,131.18

Finding the Fourth Proportional to 754,428.46, 1,131,773.73 and 305,131.18

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Solution

The fourth proportional to 754,428.46, 1,131,773.73 and 305,131.18 is: 457,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,428.46 : 1,131,773.73 = 305,131.18 : x
  2. Step 2: Convert to fraction form
    754,428.46/1,131,773.73 = 305,131.18/x
  3. Step 3: Cross multiply
    754,428.46x = 1,131,773.73 × 305,131.18
  4. Step 4: Simplify right side
    754,428.46x = 345,339,453,727.90
  5. Step 5: Solve for x
    x = 345,339,453,727.90/754,428.46
  6. Step 6: Final answer
    x = 457,749.77

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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.