Home / 775,179.21-1,069,836-431,049.45

Finding the Fourth Proportional to 775,179.21, 1,069,836 and 431,049.45

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Solution

The fourth proportional to 775,179.21, 1,069,836 and 431,049.45 is: 594,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,179.21 : 1,069,836 = 431,049.45 : x
  2. Step 2: Convert to fraction form
    775,179.21/1,069,836 = 431,049.45/x
  3. Step 3: Cross multiply
    775,179.21x = 1,069,836 × 431,049.45
  4. Step 4: Simplify right side
    775,179.21x = 461,152,219,390.20
  5. Step 5: Solve for x
    x = 461,152,219,390.20/775,179.21
  6. Step 6: Final answer
    x = 594,897.56

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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.