Home / 451,719.68-676,676.12-271,705.68

Finding the Fourth Proportional to 451,719.68, 676,676.12 and 271,705.68

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Solution

The fourth proportional to 451,719.68, 676,676.12 and 271,705.68 is: 407,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,719.68 : 676,676.12 = 271,705.68 : x
  2. Step 2: Convert to fraction form
    451,719.68/676,676.12 = 271,705.68/x
  3. Step 3: Cross multiply
    451,719.68x = 676,676.12 × 271,705.68
  4. Step 4: Simplify right side
    451,719.68x = 183,856,743,965.83
  5. Step 5: Solve for x
    x = 183,856,743,965.83/451,719.68
  6. Step 6: Final answer
    x = 407,015.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.