Home / 676,819.43-1,015,231.43-171,380.17

Finding the Fourth Proportional to 676,819.43, 1,015,231.43 and 171,380.17

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Solution

The fourth proportional to 676,819.43, 1,015,231.43 and 171,380.17 is: 257,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,819.43 : 1,015,231.43 = 171,380.17 : x
  2. Step 2: Convert to fraction form
    676,819.43/1,015,231.43 = 171,380.17/x
  3. Step 3: Cross multiply
    676,819.43x = 1,015,231.43 × 171,380.17
  4. Step 4: Simplify right side
    676,819.43x = 173,990,536,760.23
  5. Step 5: Solve for x
    x = 173,990,536,760.23/676,819.43
  6. Step 6: Final answer
    x = 257,070.84

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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.