Home / 852,601.20-1,279,362.60-379,359.60

Finding the Fourth Proportional to 852,601.20, 1,279,362.60 and 379,359.60

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Solution

The fourth proportional to 852,601.20, 1,279,362.60 and 379,359.60 is: 569,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,601.20 : 1,279,362.60 = 379,359.60 : x
  2. Step 2: Convert to fraction form
    852,601.20/1,279,362.60 = 379,359.60/x
  3. Step 3: Cross multiply
    852,601.20x = 1,279,362.60 × 379,359.60
  4. Step 4: Simplify right side
    852,601.20x = 485,338,484,190.96
  5. Step 5: Solve for x
    x = 485,338,484,190.96/852,601.20
  6. Step 6: Final answer
    x = 569,244.43

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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.