Home / 695,760.88-1,043,790.08-215,978.16

Finding the Fourth Proportional to 695,760.88, 1,043,790.08 and 215,978.16

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Solution

The fourth proportional to 695,760.88, 1,043,790.08 and 215,978.16 is: 324,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,760.88 : 1,043,790.08 = 215,978.16 : x
  2. Step 2: Convert to fraction form
    695,760.88/1,043,790.08 = 215,978.16/x
  3. Step 3: Cross multiply
    695,760.88x = 1,043,790.08 × 215,978.16
  4. Step 4: Simplify right side
    695,760.88x = 225,435,860,904.65
  5. Step 5: Solve for x
    x = 225,435,860,904.65/695,760.88
  6. Step 6: Final answer
    x = 324,013.42

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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.