Home / 739,904.70-1,109,857.62-178,939.20

Finding the Fourth Proportional to 739,904.70, 1,109,857.62 and 178,939.20

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Solution

The fourth proportional to 739,904.70, 1,109,857.62 and 178,939.20 is: 268,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,904.70 : 1,109,857.62 = 178,939.20 : x
  2. Step 2: Convert to fraction form
    739,904.70/1,109,857.62 = 178,939.20/x
  3. Step 3: Cross multiply
    739,904.70x = 1,109,857.62 × 178,939.20
  4. Step 4: Simplify right side
    739,904.70x = 198,597,034,636.70
  5. Step 5: Solve for x
    x = 198,597,034,636.70/739,904.70
  6. Step 6: Final answer
    x = 268,408.94

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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.