Home / 728,702.68-1,092,971.92-196,262.68

Finding the Fourth Proportional to 728,702.68, 1,092,971.92 and 196,262.68

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Solution

The fourth proportional to 728,702.68, 1,092,971.92 and 196,262.68 is: 294,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,702.68 : 1,092,971.92 = 196,262.68 : x
  2. Step 2: Convert to fraction form
    728,702.68/1,092,971.92 = 196,262.68/x
  3. Step 3: Cross multiply
    728,702.68x = 1,092,971.92 × 196,262.68
  4. Step 4: Simplify right side
    728,702.68x = 214,509,598,183.95
  5. Step 5: Solve for x
    x = 214,509,598,183.95/728,702.68
  6. Step 6: Final answer
    x = 294,371.91

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1.5x scale

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.