Home / 727,211.82-1,090,452.72-423,704.22

Finding the Fourth Proportional to 727,211.82, 1,090,452.72 and 423,704.22

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Solution

The fourth proportional to 727,211.82, 1,090,452.72 and 423,704.22 is: 635,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,211.82 : 1,090,452.72 = 423,704.22 : x
  2. Step 2: Convert to fraction form
    727,211.82/1,090,452.72 = 423,704.22/x
  3. Step 3: Cross multiply
    727,211.82x = 1,090,452.72 × 423,704.22
  4. Step 4: Simplify right side
    727,211.82x = 462,029,419,174.48
  5. Step 5: Solve for x
    x = 462,029,419,174.48/727,211.82
  6. Step 6: Final answer
    x = 635,343.66

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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.