Home / 481,721.22-664,690.80-274,895.18

Finding the Fourth Proportional to 481,721.22, 664,690.80 and 274,895.18

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Solution

The fourth proportional to 481,721.22, 664,690.80 and 274,895.18 is: 379,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,721.22 : 664,690.80 = 274,895.18 : x
  2. Step 2: Convert to fraction form
    481,721.22/664,690.80 = 274,895.18/x
  3. Step 3: Cross multiply
    481,721.22x = 664,690.80 × 274,895.18
  4. Step 4: Simplify right side
    481,721.22x = 182,720,297,110.34
  5. Step 5: Solve for x
    x = 182,720,297,110.34/481,721.22
  6. Step 6: Final answer
    x = 379,307.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.