Home / 775,830.44-1,070,651.33-431,680.93

Finding the Fourth Proportional to 775,830.44, 1,070,651.33 and 431,680.93

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Solution

The fourth proportional to 775,830.44, 1,070,651.33 and 431,680.93 is: 595,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,830.44 : 1,070,651.33 = 431,680.93 : x
  2. Step 2: Convert to fraction form
    775,830.44/1,070,651.33 = 431,680.93/x
  3. Step 3: Cross multiply
    775,830.44x = 1,070,651.33 × 431,680.93
  4. Step 4: Simplify right side
    775,830.44x = 462,179,761,840.14
  5. Step 5: Solve for x
    x = 462,179,761,840.14/775,830.44
  6. Step 6: Final answer
    x = 595,722.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.