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Finding the Fourth Proportional to 800,380.80, 1,199,113.20 and 633,002.40

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Solution

The fourth proportional to 800,380.80, 1,199,113.20 and 633,002.40 is: 948,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,380.80 : 1,199,113.20 = 633,002.40 : x
  2. Step 2: Convert to fraction form
    800,380.80/1,199,113.20 = 633,002.40/x
  3. Step 3: Cross multiply
    800,380.80x = 1,199,113.20 × 633,002.40
  4. Step 4: Simplify right side
    800,380.80x = 759,041,533,471.68
  5. Step 5: Solve for x
    x = 759,041,533,471.68/800,380.80
  6. Step 6: Final answer
    x = 948,350.50

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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.