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Finding the Fourth Proportional to 888,099.40, 1,332,149.10 and 257,033.80

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Solution

The fourth proportional to 888,099.40, 1,332,149.10 and 257,033.80 is: 385,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,099.40 : 1,332,149.10 = 257,033.80 : x
  2. Step 2: Convert to fraction form
    888,099.40/1,332,149.10 = 257,033.80/x
  3. Step 3: Cross multiply
    888,099.40x = 1,332,149.10 × 257,033.80
  4. Step 4: Simplify right side
    888,099.40x = 342,407,345,339.58
  5. Step 5: Solve for x
    x = 342,407,345,339.58/888,099.40
  6. Step 6: Final answer
    x = 385,550.70

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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.