Home / 783,511.64-1,175,234.60-251,020.88

Finding the Fourth Proportional to 783,511.64, 1,175,234.60 and 251,020.88

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Solution

The fourth proportional to 783,511.64, 1,175,234.60 and 251,020.88 is: 376,520.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,511.64 : 1,175,234.60 = 251,020.88 : x
  2. Step 2: Convert to fraction form
    783,511.64/1,175,234.60 = 251,020.88/x
  3. Step 3: Cross multiply
    783,511.64x = 1,175,234.60 × 251,020.88
  4. Step 4: Simplify right side
    783,511.64x = 295,008,416,367.17
  5. Step 5: Solve for x
    x = 295,008,416,367.17/783,511.64
  6. Step 6: Final answer
    x = 376,520.79

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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.