Home / 999,992.25-1,500,144.19-325,917.16

Finding the Fourth Proportional to 999,992.25, 1,500,144.19 and 325,917.16

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Solution

The fourth proportional to 999,992.25, 1,500,144.19 and 325,917.16 is: 488,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,992.25 : 1,500,144.19 = 325,917.16 : x
  2. Step 2: Convert to fraction form
    999,992.25/1,500,144.19 = 325,917.16/x
  3. Step 3: Cross multiply
    999,992.25x = 1,500,144.19 × 325,917.16
  4. Step 4: Simplify right side
    999,992.25x = 488,922,729,430.15
  5. Step 5: Solve for x
    x = 488,922,729,430.15/999,992.25
  6. Step 6: Final answer
    x = 488,926.52

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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.