Home / 728,704.45-1,093,056.68-528,083.65

Finding the Fourth Proportional to 728,704.45, 1,093,056.68 and 528,083.65

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Solution

The fourth proportional to 728,704.45, 1,093,056.68 and 528,083.65 is: 792,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,704.45 : 1,093,056.68 = 528,083.65 : x
  2. Step 2: Convert to fraction form
    728,704.45/1,093,056.68 = 528,083.65/x
  3. Step 3: Cross multiply
    728,704.45x = 1,093,056.68 × 528,083.65
  4. Step 4: Simplify right side
    728,704.45x = 577,225,361,231.28
  5. Step 5: Solve for x
    x = 577,225,361,231.28/728,704.45
  6. Step 6: Final answer
    x = 792,125.48

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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.