Home / 776,770.68-1,165,608.90-327,464.04

Finding the Fourth Proportional to 776,770.68, 1,165,608.90 and 327,464.04

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Solution

The fourth proportional to 776,770.68, 1,165,608.90 and 327,464.04 is: 491,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,770.68 : 1,165,608.90 = 327,464.04 : x
  2. Step 2: Convert to fraction form
    776,770.68/1,165,608.90 = 327,464.04/x
  3. Step 3: Cross multiply
    776,770.68x = 1,165,608.90 × 327,464.04
  4. Step 4: Simplify right side
    776,770.68x = 381,694,999,453.96
  5. Step 5: Solve for x
    x = 381,694,999,453.96/776,770.68
  6. Step 6: Final answer
    x = 491,386.98

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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.