Home / 792,012.30-1,188,007.65-259,550.70

Finding the Fourth Proportional to 792,012.30, 1,188,007.65 and 259,550.70

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Solution

The fourth proportional to 792,012.30, 1,188,007.65 and 259,550.70 is: 389,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,012.30 : 1,188,007.65 = 259,550.70 : x
  2. Step 2: Convert to fraction form
    792,012.30/1,188,007.65 = 259,550.70/x
  3. Step 3: Cross multiply
    792,012.30x = 1,188,007.65 × 259,550.70
  4. Step 4: Simplify right side
    792,012.30x = 308,348,217,162.86
  5. Step 5: Solve for x
    x = 308,348,217,162.86/792,012.30
  6. Step 6: Final answer
    x = 389,322.51

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1.5x scale

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.