Home / 752,808.20-1,128,353.34-303,241.40

Finding the Fourth Proportional to 752,808.20, 1,128,353.34 and 303,241.40

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Solution

The fourth proportional to 752,808.20, 1,128,353.34 and 303,241.40 is: 454,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,808.20 : 1,128,353.34 = 303,241.40 : x
  2. Step 2: Convert to fraction form
    752,808.20/1,128,353.34 = 303,241.40/x
  3. Step 3: Cross multiply
    752,808.20x = 1,128,353.34 × 303,241.40
  4. Step 4: Simplify right side
    752,808.20x = 342,163,446,516.28
  5. Step 5: Solve for x
    x = 342,163,446,516.28/752,808.20
  6. Step 6: Final answer
    x = 454,516.10

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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.