Home / 852,775.20-1,278,817.20-291,520.80

Finding the Fourth Proportional to 852,775.20, 1,278,817.20 and 291,520.80

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Solution

The fourth proportional to 852,775.20, 1,278,817.20 and 291,520.80 is: 437,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,775.20 : 1,278,817.20 = 291,520.80 : x
  2. Step 2: Convert to fraction form
    852,775.20/1,278,817.20 = 291,520.80/x
  3. Step 3: Cross multiply
    852,775.20x = 1,278,817.20 × 291,520.80
  4. Step 4: Simplify right side
    852,775.20x = 372,801,813,197.76
  5. Step 5: Solve for x
    x = 372,801,813,197.76/852,775.20
  6. Step 6: Final answer
    x = 437,163.06

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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.