Home / 775,515.37-1,070,195.85-431,343.89

Finding the Fourth Proportional to 775,515.37, 1,070,195.85 and 431,343.89

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Solution

The fourth proportional to 775,515.37, 1,070,195.85 and 431,343.89 is: 595,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,515.37 : 1,070,195.85 = 431,343.89 : x
  2. Step 2: Convert to fraction form
    775,515.37/1,070,195.85 = 431,343.89/x
  3. Step 3: Cross multiply
    775,515.37x = 1,070,195.85 × 431,343.89
  4. Step 4: Simplify right side
    775,515.37x = 461,622,442,079.22
  5. Step 5: Solve for x
    x = 461,622,442,079.22/775,515.37
  6. Step 6: Final answer
    x = 595,246.03

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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.