Home / 726,903.80-1,090,518.32-221,504.33

Finding the Fourth Proportional to 726,903.80, 1,090,518.32 and 221,504.33

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Solution

The fourth proportional to 726,903.80, 1,090,518.32 and 221,504.33 is: 332,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,903.80 : 1,090,518.32 = 221,504.33 : x
  2. Step 2: Convert to fraction form
    726,903.80/1,090,518.32 = 221,504.33/x
  3. Step 3: Cross multiply
    726,903.80x = 1,090,518.32 × 221,504.33
  4. Step 4: Simplify right side
    726,903.80x = 241,554,529,824.33
  5. Step 5: Solve for x
    x = 241,554,529,824.33/726,903.80
  6. Step 6: Final answer
    x = 332,306.05

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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.