Home / 860,467.92-1,290,770.16-261,481.36

Finding the Fourth Proportional to 860,467.92, 1,290,770.16 and 261,481.36

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Solution

The fourth proportional to 860,467.92, 1,290,770.16 and 261,481.36 is: 392,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,467.92 : 1,290,770.16 = 261,481.36 : x
  2. Step 2: Convert to fraction form
    860,467.92/1,290,770.16 = 261,481.36/x
  3. Step 3: Cross multiply
    860,467.92x = 1,290,770.16 × 261,481.36
  4. Step 4: Simplify right side
    860,467.92x = 337,512,336,884.22
  5. Step 5: Solve for x
    x = 337,512,336,884.22/860,467.92
  6. Step 6: Final answer
    x = 392,242.79

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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.