Home / 950,152.68-1,311,212.34-520,433.64

Finding the Fourth Proportional to 950,152.68, 1,311,212.34 and 520,433.64

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Solution

The fourth proportional to 950,152.68, 1,311,212.34 and 520,433.64 is: 718,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,152.68 : 1,311,212.34 = 520,433.64 : x
  2. Step 2: Convert to fraction form
    950,152.68/1,311,212.34 = 520,433.64/x
  3. Step 3: Cross multiply
    950,152.68x = 1,311,212.34 × 520,433.64
  4. Step 4: Simplify right side
    950,152.68x = 682,399,010,919.12
  5. Step 5: Solve for x
    x = 682,399,010,919.12/950,152.68
  6. Step 6: Final answer
    x = 718,199.32

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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.