Home / 852,734.55-1,279,002.60-221,697.57

Finding the Fourth Proportional to 852,734.55, 1,279,002.60 and 221,697.57

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Solution

The fourth proportional to 852,734.55, 1,279,002.60 and 221,697.57 is: 332,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,734.55 : 1,279,002.60 = 221,697.57 : x
  2. Step 2: Convert to fraction form
    852,734.55/1,279,002.60 = 221,697.57/x
  3. Step 3: Cross multiply
    852,734.55x = 1,279,002.60 × 221,697.57
  4. Step 4: Simplify right side
    852,734.55x = 283,551,768,443.68
  5. Step 5: Solve for x
    x = 283,551,768,443.68/852,734.55
  6. Step 6: Final answer
    x = 332,520.56

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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.