Home / 486,609.26-671,423.38-271,716.26

Finding the Fourth Proportional to 486,609.26, 671,423.38 and 271,716.26

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Solution

The fourth proportional to 486,609.26, 671,423.38 and 271,716.26 is: 374,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,609.26 : 671,423.38 = 271,716.26 : x
  2. Step 2: Convert to fraction form
    486,609.26/671,423.38 = 271,716.26/x
  3. Step 3: Cross multiply
    486,609.26x = 671,423.38 × 271,716.26
  4. Step 4: Simplify right side
    486,609.26x = 182,436,645,653.75
  5. Step 5: Solve for x
    x = 182,436,645,653.75/486,609.26
  6. Step 6: Final answer
    x = 374,914.05

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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.