Home / 777,757.85-1,167,902.49-480,130.38

Finding the Fourth Proportional to 777,757.85, 1,167,902.49 and 480,130.38

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Solution

The fourth proportional to 777,757.85, 1,167,902.49 and 480,130.38 is: 720,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,757.85 : 1,167,902.49 = 480,130.38 : x
  2. Step 2: Convert to fraction form
    777,757.85/1,167,902.49 = 480,130.38/x
  3. Step 3: Cross multiply
    777,757.85x = 1,167,902.49 × 480,130.38
  4. Step 4: Simplify right side
    777,757.85x = 560,745,466,326.65
  5. Step 5: Solve for x
    x = 560,745,466,326.65/777,757.85
  6. Step 6: Final answer
    x = 720,976.93

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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.