Home / 712,453.20-1,068,591.64-263,164.12

Finding the Fourth Proportional to 712,453.20, 1,068,591.64 and 263,164.12

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Solution

The fourth proportional to 712,453.20, 1,068,591.64 and 263,164.12 is: 394,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,453.20 : 1,068,591.64 = 263,164.12 : x
  2. Step 2: Convert to fraction form
    712,453.20/1,068,591.64 = 263,164.12/x
  3. Step 3: Cross multiply
    712,453.20x = 1,068,591.64 × 263,164.12
  4. Step 4: Simplify right side
    712,453.20x = 281,214,978,579.96
  5. Step 5: Solve for x
    x = 281,214,978,579.96/712,453.20
  6. Step 6: Final answer
    x = 394,713.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.