Home / 775,169.46-1,069,822.53-431,039.70

Finding the Fourth Proportional to 775,169.46, 1,069,822.53 and 431,039.70

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Solution

The fourth proportional to 775,169.46, 1,069,822.53 and 431,039.70 is: 594,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,169.46 : 1,069,822.53 = 431,039.70 : x
  2. Step 2: Convert to fraction form
    775,169.46/1,069,822.53 = 431,039.70/x
  3. Step 3: Cross multiply
    775,169.46x = 1,069,822.53 × 431,039.70
  4. Step 4: Simplify right side
    775,169.46x = 461,135,982,384.44
  5. Step 5: Solve for x
    x = 461,135,982,384.44/775,169.46
  6. Step 6: Final answer
    x = 594,884.09

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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.