Home / 695,763.88-1,043,794.58-215,981.16

Finding the Fourth Proportional to 695,763.88, 1,043,794.58 and 215,981.16

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Solution

The fourth proportional to 695,763.88, 1,043,794.58 and 215,981.16 is: 324,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,763.88 : 1,043,794.58 = 215,981.16 : x
  2. Step 2: Convert to fraction form
    695,763.88/1,043,794.58 = 215,981.16/x
  3. Step 3: Cross multiply
    695,763.88x = 1,043,794.58 × 215,981.16
  4. Step 4: Simplify right side
    695,763.88x = 225,439,964,190.11
  5. Step 5: Solve for x
    x = 225,439,964,190.11/695,763.88
  6. Step 6: Final answer
    x = 324,017.92

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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.