Home / 999,992.63-1,500,144.75-325,917.51

Finding the Fourth Proportional to 999,992.63, 1,500,144.75 and 325,917.51

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Solution

The fourth proportional to 999,992.63, 1,500,144.75 and 325,917.51 is: 488,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,992.63 : 1,500,144.75 = 325,917.51 : x
  2. Step 2: Convert to fraction form
    999,992.63/1,500,144.75 = 325,917.51/x
  3. Step 3: Cross multiply
    999,992.63x = 1,500,144.75 × 325,917.51
  4. Step 4: Simplify right side
    999,992.63x = 488,923,441,559.57
  5. Step 5: Solve for x
    x = 488,923,441,559.57/999,992.63
  6. Step 6: Final answer
    x = 488,927.05

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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.