Home / 486,914.82-671,891.13-272,063.94

Finding the Fourth Proportional to 486,914.82, 671,891.13 and 272,063.94

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Solution

The fourth proportional to 486,914.82, 671,891.13 and 272,063.94 is: 375,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,914.82 : 671,891.13 = 272,063.94 : x
  2. Step 2: Convert to fraction form
    486,914.82/671,891.13 = 272,063.94/x
  3. Step 3: Cross multiply
    486,914.82x = 671,891.13 × 272,063.94
  4. Step 4: Simplify right side
    486,914.82x = 182,797,348,078.85
  5. Step 5: Solve for x
    x = 182,797,348,078.85/486,914.82
  6. Step 6: Final answer
    x = 375,419.56

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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.