Home / 726,739.64-1,090,119.18-228,103.64

Finding the Fourth Proportional to 726,739.64, 1,090,119.18 and 228,103.64

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Solution

The fourth proportional to 726,739.64, 1,090,119.18 and 228,103.64 is: 342,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,739.64 : 1,090,119.18 = 228,103.64 : x
  2. Step 2: Convert to fraction form
    726,739.64/1,090,119.18 = 228,103.64/x
  3. Step 3: Cross multiply
    726,739.64x = 1,090,119.18 × 228,103.64
  4. Step 4: Simplify right side
    726,739.64x = 248,660,152,991.82
  5. Step 5: Solve for x
    x = 248,660,152,991.82/726,739.64
  6. Step 6: Final answer
    x = 342,158.51

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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.