Home / 777,261.18-1,165,891.79-303,614.38

Finding the Fourth Proportional to 777,261.18, 1,165,891.79 and 303,614.38

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Solution

The fourth proportional to 777,261.18, 1,165,891.79 and 303,614.38 is: 455,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,261.18 : 1,165,891.79 = 303,614.38 : x
  2. Step 2: Convert to fraction form
    777,261.18/1,165,891.79 = 303,614.38/x
  3. Step 3: Cross multiply
    777,261.18x = 1,165,891.79 × 303,614.38
  4. Step 4: Simplify right side
    777,261.18x = 353,981,512,967.94
  5. Step 5: Solve for x
    x = 353,981,512,967.94/777,261.18
  6. Step 6: Final answer
    x = 455,421.58

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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.