Home / 754,093.05-1,131,679.35-274,319.91

Finding the Fourth Proportional to 754,093.05, 1,131,679.35 and 274,319.91

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Solution

The fourth proportional to 754,093.05, 1,131,679.35 and 274,319.91 is: 411,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,093.05 : 1,131,679.35 = 274,319.91 : x
  2. Step 2: Convert to fraction form
    754,093.05/1,131,679.35 = 274,319.91/x
  3. Step 3: Cross multiply
    754,093.05x = 1,131,679.35 × 274,319.91
  4. Step 4: Simplify right side
    754,093.05x = 310,442,177,440.86
  5. Step 5: Solve for x
    x = 310,442,177,440.86/754,093.05
  6. Step 6: Final answer
    x = 411,676.22

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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.