Home / 773,920.44-1,160,958.42-287,732.52

Finding the Fourth Proportional to 773,920.44, 1,160,958.42 and 287,732.52

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Solution

The fourth proportional to 773,920.44, 1,160,958.42 and 287,732.52 is: 431,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,920.44 : 1,160,958.42 = 287,732.52 : x
  2. Step 2: Convert to fraction form
    773,920.44/1,160,958.42 = 287,732.52/x
  3. Step 3: Cross multiply
    773,920.44x = 1,160,958.42 × 287,732.52
  4. Step 4: Simplify right side
    773,920.44x = 334,045,491,801.82
  5. Step 5: Solve for x
    x = 334,045,491,801.82/773,920.44
  6. Step 6: Final answer
    x = 431,627.69

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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.