Home / 488,911.14-674,685.45-271,118.75

Finding the Fourth Proportional to 488,911.14, 674,685.45 and 271,118.75

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Solution

The fourth proportional to 488,911.14, 674,685.45 and 271,118.75 is: 374,137.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,911.14 : 674,685.45 = 271,118.75 : x
  2. Step 2: Convert to fraction form
    488,911.14/674,685.45 = 271,118.75/x
  3. Step 3: Cross multiply
    488,911.14x = 674,685.45 × 271,118.75
  4. Step 4: Simplify right side
    488,911.14x = 182,919,872,473.76
  5. Step 5: Solve for x
    x = 182,919,872,473.76/488,911.14
  6. Step 6: Final answer
    x = 374,137.26

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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.