Home / 754,299.88-1,131,446.88-305,015.36

Finding the Fourth Proportional to 754,299.88, 1,131,446.88 and 305,015.36

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Solution

The fourth proportional to 754,299.88, 1,131,446.88 and 305,015.36 is: 457,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,299.88 : 1,131,446.88 = 305,015.36 : x
  2. Step 2: Convert to fraction form
    754,299.88/1,131,446.88 = 305,015.36/x
  3. Step 3: Cross multiply
    754,299.88x = 1,131,446.88 × 305,015.36
  4. Step 4: Simplify right side
    754,299.88x = 345,108,671,766.84
  5. Step 5: Solve for x
    x = 345,108,671,766.84/754,299.88
  6. Step 6: Final answer
    x = 457,521.85

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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.