Home / 501,847.24-692,380.26-320,665.08

Finding the Fourth Proportional to 501,847.24, 692,380.26 and 320,665.08

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Solution

The fourth proportional to 501,847.24, 692,380.26 and 320,665.08 is: 442,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,847.24 : 692,380.26 = 320,665.08 : x
  2. Step 2: Convert to fraction form
    501,847.24/692,380.26 = 320,665.08/x
  3. Step 3: Cross multiply
    501,847.24x = 692,380.26 × 320,665.08
  4. Step 4: Simplify right side
    501,847.24x = 222,022,171,463.32
  5. Step 5: Solve for x
    x = 222,022,171,463.32/501,847.24
  6. Step 6: Final answer
    x = 442,409.87

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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.