Home / 719,183.57-1,078,494.89-269,659.49

Finding the Fourth Proportional to 719,183.57, 1,078,494.89 and 269,659.49

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Solution

The fourth proportional to 719,183.57, 1,078,494.89 and 269,659.49 is: 404,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,183.57 : 1,078,494.89 = 269,659.49 : x
  2. Step 2: Convert to fraction form
    719,183.57/1,078,494.89 = 269,659.49/x
  3. Step 3: Cross multiply
    719,183.57x = 1,078,494.89 × 269,659.49
  4. Step 4: Simplify right side
    719,183.57x = 290,826,382,005.01
  5. Step 5: Solve for x
    x = 290,826,382,005.01/719,183.57
  6. Step 6: Final answer
    x = 404,384.07

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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.