Home / 777,145.44-1,165,877.32-327,866.40

Finding the Fourth Proportional to 777,145.44, 1,165,877.32 and 327,866.40

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Solution

The fourth proportional to 777,145.44, 1,165,877.32 and 327,866.40 is: 491,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,145.44 : 1,165,877.32 = 327,866.40 : x
  2. Step 2: Convert to fraction form
    777,145.44/1,165,877.32 = 327,866.40/x
  3. Step 3: Cross multiply
    777,145.44x = 1,165,877.32 × 327,866.40
  4. Step 4: Simplify right side
    777,145.44x = 382,251,999,750.05
  5. Step 5: Solve for x
    x = 382,251,999,750.05/777,145.44
  6. Step 6: Final answer
    x = 491,866.75

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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.