Home / 739,910.08-1,109,865.66-178,945.12

Finding the Fourth Proportional to 739,910.08, 1,109,865.66 and 178,945.12

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Solution

The fourth proportional to 739,910.08, 1,109,865.66 and 178,945.12 is: 268,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,910.08 : 1,109,865.66 = 178,945.12 : x
  2. Step 2: Convert to fraction form
    739,910.08/1,109,865.66 = 178,945.12/x
  3. Step 3: Cross multiply
    739,910.08x = 1,109,865.66 × 178,945.12
  4. Step 4: Simplify right side
    739,910.08x = 198,605,043,712.58
  5. Step 5: Solve for x
    x = 198,605,043,712.58/739,910.08
  6. Step 6: Final answer
    x = 268,417.81

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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.