Home / 950,179.44-1,311,247.94-520,475.05

Finding the Fourth Proportional to 950,179.44, 1,311,247.94 and 520,475.05

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Solution

The fourth proportional to 950,179.44, 1,311,247.94 and 520,475.05 is: 718,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,179.44 : 1,311,247.94 = 520,475.05 : x
  2. Step 2: Convert to fraction form
    950,179.44/1,311,247.94 = 520,475.05/x
  3. Step 3: Cross multiply
    950,179.44x = 1,311,247.94 × 520,475.05
  4. Step 4: Simplify right side
    950,179.44x = 682,471,837,133.90
  5. Step 5: Solve for x
    x = 682,471,837,133.90/950,179.44
  6. Step 6: Final answer
    x = 718,255.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.