Home / 728,960.48-1,093,450.44-255,659.66

Finding the Fourth Proportional to 728,960.48, 1,093,450.44 and 255,659.66

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Solution

The fourth proportional to 728,960.48, 1,093,450.44 and 255,659.66 is: 383,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,960.48 : 1,093,450.44 = 255,659.66 : x
  2. Step 2: Convert to fraction form
    728,960.48/1,093,450.44 = 255,659.66/x
  3. Step 3: Cross multiply
    728,960.48x = 1,093,450.44 × 255,659.66
  4. Step 4: Simplify right side
    728,960.48x = 279,551,167,717.25
  5. Step 5: Solve for x
    x = 279,551,167,717.25/728,960.48
  6. Step 6: Final answer
    x = 383,492.90

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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.