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Finding the Fourth Proportional to 488,019.38, 673,371 and 306,626.22

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Solution

The fourth proportional to 488,019.38, 673,371 and 306,626.22 is: 423,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,019.38 : 673,371 = 306,626.22 : x
  2. Step 2: Convert to fraction form
    488,019.38/673,371 = 306,626.22/x
  3. Step 3: Cross multiply
    488,019.38x = 673,371 × 306,626.22
  4. Step 4: Simplify right side
    488,019.38x = 206,473,204,387.62
  5. Step 5: Solve for x
    x = 206,473,204,387.62/488,019.38
  6. Step 6: Final answer
    x = 423,084.03

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1.5x scale

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.