Home / 505,764.88-758,760.30-190,224.52

Finding the Fourth Proportional to 505,764.88, 758,760.30 and 190,224.52

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Solution

The fourth proportional to 505,764.88, 758,760.30 and 190,224.52 is: 285,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,764.88 : 758,760.30 = 190,224.52 : x
  2. Step 2: Convert to fraction form
    505,764.88/758,760.30 = 190,224.52/x
  3. Step 3: Cross multiply
    505,764.88x = 758,760.30 × 190,224.52
  4. Step 4: Simplify right side
    505,764.88x = 144,334,813,862.56
  5. Step 5: Solve for x
    x = 144,334,813,862.56/505,764.88
  6. Step 6: Final answer
    x = 285,379.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.