Home / 776,742.90-1,165,566.33-327,435.90

Finding the Fourth Proportional to 776,742.90, 1,165,566.33 and 327,435.90

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Solution

The fourth proportional to 776,742.90, 1,165,566.33 and 327,435.90 is: 491,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,742.90 : 1,165,566.33 = 327,435.90 : x
  2. Step 2: Convert to fraction form
    776,742.90/1,165,566.33 = 327,435.90/x
  3. Step 3: Cross multiply
    776,742.90x = 1,165,566.33 × 327,435.90
  4. Step 4: Simplify right side
    776,742.90x = 381,648,260,273.25
  5. Step 5: Solve for x
    x = 381,648,260,273.25/776,742.90
  6. Step 6: Final answer
    x = 491,344.38

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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.