Home / 728,194.67-1,092,660.95-485,201.83

Finding the Fourth Proportional to 728,194.67, 1,092,660.95 and 485,201.83

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Solution

The fourth proportional to 728,194.67, 1,092,660.95 and 485,201.83 is: 728,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,194.67 : 1,092,660.95 = 485,201.83 : x
  2. Step 2: Convert to fraction form
    728,194.67/1,092,660.95 = 485,201.83/x
  3. Step 3: Cross multiply
    728,194.67x = 1,092,660.95 × 485,201.83
  4. Step 4: Simplify right side
    728,194.67x = 530,161,091,675.00
  5. Step 5: Solve for x
    x = 530,161,091,675.00/728,194.67
  6. Step 6: Final answer
    x = 728,048.57

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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.