Home / 646,600.44-892,336.20-360,120.54

Finding the Fourth Proportional to 646,600.44, 892,336.20 and 360,120.54

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Solution

The fourth proportional to 646,600.44, 892,336.20 and 360,120.54 is: 496,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,600.44 : 892,336.20 = 360,120.54 : x
  2. Step 2: Convert to fraction form
    646,600.44/892,336.20 = 360,120.54/x
  3. Step 3: Cross multiply
    646,600.44x = 892,336.20 × 360,120.54
  4. Step 4: Simplify right side
    646,600.44x = 321,348,594,205.55
  5. Step 5: Solve for x
    x = 321,348,594,205.55/646,600.44
  6. Step 6: Final answer
    x = 496,981.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.