Home / 950,350.28-1,311,516.18-520,630.29

Finding the Fourth Proportional to 950,350.28, 1,311,516.18 and 520,630.29

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Solution

The fourth proportional to 950,350.28, 1,311,516.18 and 520,630.29 is: 718,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,350.28 : 1,311,516.18 = 520,630.29 : x
  2. Step 2: Convert to fraction form
    950,350.28/1,311,516.18 = 520,630.29/x
  3. Step 3: Cross multiply
    950,350.28x = 1,311,516.18 × 520,630.29
  4. Step 4: Simplify right side
    950,350.28x = 682,815,049,133.09
  5. Step 5: Solve for x
    x = 682,815,049,133.09/950,350.28
  6. Step 6: Final answer
    x = 718,487.77

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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.