Home / 792,012.80-1,187,727.60-259,551.20

Finding the Fourth Proportional to 792,012.80, 1,187,727.60 and 259,551.20

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Solution

The fourth proportional to 792,012.80, 1,187,727.60 and 259,551.20 is: 389,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,012.80 : 1,187,727.60 = 259,551.20 : x
  2. Step 2: Convert to fraction form
    792,012.80/1,187,727.60 = 259,551.20/x
  3. Step 3: Cross multiply
    792,012.80x = 1,187,727.60 × 259,551.20
  4. Step 4: Simplify right side
    792,012.80x = 308,276,123,853.12
  5. Step 5: Solve for x
    x = 308,276,123,853.12/792,012.80
  6. Step 6: Final answer
    x = 389,231.24

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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.