Home / 721,053.35-1,081,497.41-188,625.77

Finding the Fourth Proportional to 721,053.35, 1,081,497.41 and 188,625.77

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Solution

The fourth proportional to 721,053.35, 1,081,497.41 and 188,625.77 is: 282,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,053.35 : 1,081,497.41 = 188,625.77 : x
  2. Step 2: Convert to fraction form
    721,053.35/1,081,497.41 = 188,625.77/x
  3. Step 3: Cross multiply
    721,053.35x = 1,081,497.41 × 188,625.77
  4. Step 4: Simplify right side
    721,053.35x = 203,998,283,474.87
  5. Step 5: Solve for x
    x = 203,998,283,474.87/721,053.35
  6. Step 6: Final answer
    x = 282,917.04

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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.