Home / 754,720.70-1,131,850.61-215,021.04

Finding the Fourth Proportional to 754,720.70, 1,131,850.61 and 215,021.04

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Solution

The fourth proportional to 754,720.70, 1,131,850.61 and 215,021.04 is: 322,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,720.70 : 1,131,850.61 = 215,021.04 : x
  2. Step 2: Convert to fraction form
    754,720.70/1,131,850.61 = 215,021.04/x
  3. Step 3: Cross multiply
    754,720.70x = 1,131,850.61 × 215,021.04
  4. Step 4: Simplify right side
    754,720.70x = 243,371,695,824.39
  5. Step 5: Solve for x
    x = 243,371,695,824.39/754,720.70
  6. Step 6: Final answer
    x = 322,465.91

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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.