Home / 950,124.36-1,311,171.78-520,419.86

Finding the Fourth Proportional to 950,124.36, 1,311,171.78 and 520,419.86

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Solution

The fourth proportional to 950,124.36, 1,311,171.78 and 520,419.86 is: 718,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,124.36 : 1,311,171.78 = 520,419.86 : x
  2. Step 2: Convert to fraction form
    950,124.36/1,311,171.78 = 520,419.86/x
  3. Step 3: Cross multiply
    950,124.36x = 1,311,171.78 × 520,419.86
  4. Step 4: Simplify right side
    950,124.36x = 682,359,834,183.55
  5. Step 5: Solve for x
    x = 682,359,834,183.55/950,124.36
  6. Step 6: Final answer
    x = 718,179.50

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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.