Home / 726,546.51-1,090,053.18-221,205.33

Finding the Fourth Proportional to 726,546.51, 1,090,053.18 and 221,205.33

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Solution

The fourth proportional to 726,546.51, 1,090,053.18 and 221,205.33 is: 331,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,546.51 : 1,090,053.18 = 221,205.33 : x
  2. Step 2: Convert to fraction form
    726,546.51/1,090,053.18 = 221,205.33/x
  3. Step 3: Cross multiply
    726,546.51x = 1,090,053.18 × 221,205.33
  4. Step 4: Simplify right side
    726,546.51x = 241,125,573,399.45
  5. Step 5: Solve for x
    x = 241,125,573,399.45/726,546.51
  6. Step 6: Final answer
    x = 331,879.06

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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.