Home / 852,857.20-1,278,940.20-291,602.80

Finding the Fourth Proportional to 852,857.20, 1,278,940.20 and 291,602.80

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Solution

The fourth proportional to 852,857.20, 1,278,940.20 and 291,602.80 is: 437,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,857.20 : 1,278,940.20 = 291,602.80 : x
  2. Step 2: Convert to fraction form
    852,857.20/1,278,940.20 = 291,602.80/x
  3. Step 3: Cross multiply
    852,857.20x = 1,278,940.20 × 291,602.80
  4. Step 4: Simplify right side
    852,857.20x = 372,942,543,352.56
  5. Step 5: Solve for x
    x = 372,942,543,352.56/852,857.20
  6. Step 6: Final answer
    x = 437,286.03

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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.