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Finding the Fourth Proportional to 800,659.76, 1,199,660.96 and 563,504.21

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Solution

The fourth proportional to 800,659.76, 1,199,660.96 and 563,504.21 is: 844,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,659.76 : 1,199,660.96 = 563,504.21 : x
  2. Step 2: Convert to fraction form
    800,659.76/1,199,660.96 = 563,504.21/x
  3. Step 3: Cross multiply
    800,659.76x = 1,199,660.96 × 563,504.21
  4. Step 4: Simplify right side
    800,659.76x = 676,014,001,441.83
  5. Step 5: Solve for x
    x = 676,014,001,441.83/800,659.76
  6. Step 6: Final answer
    x = 844,321.20

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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.