Home / 950,144.74-1,311,152.97-520,426.78

Finding the Fourth Proportional to 950,144.74, 1,311,152.97 and 520,426.78

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Solution

The fourth proportional to 950,144.74, 1,311,152.97 and 520,426.78 is: 718,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,144.74 : 1,311,152.97 = 520,426.78 : x
  2. Step 2: Convert to fraction form
    950,144.74/1,311,152.97 = 520,426.78/x
  3. Step 3: Cross multiply
    950,144.74x = 1,311,152.97 × 520,426.78
  4. Step 4: Simplify right side
    950,144.74x = 682,359,118,264.54
  5. Step 5: Solve for x
    x = 682,359,118,264.54/950,144.74
  6. Step 6: Final answer
    x = 718,163.34

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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.