Home / 505,198.08-697,129.20-323,589.60

Finding the Fourth Proportional to 505,198.08, 697,129.20 and 323,589.60

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Solution

The fourth proportional to 505,198.08, 697,129.20 and 323,589.60 is: 446,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,198.08 : 697,129.20 = 323,589.60 : x
  2. Step 2: Convert to fraction form
    505,198.08/697,129.20 = 323,589.60/x
  3. Step 3: Cross multiply
    505,198.08x = 697,129.20 × 323,589.60
  4. Step 4: Simplify right side
    505,198.08x = 225,583,758,976.32
  5. Step 5: Solve for x
    x = 225,583,758,976.32/505,198.08
  6. Step 6: Final answer
    x = 446,525.37

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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.