Home / 411,944.60-616,880.10-270,939.80

Finding the Fourth Proportional to 411,944.60, 616,880.10 and 270,939.80

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Solution

The fourth proportional to 411,944.60, 616,880.10 and 270,939.80 is: 405,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,944.60 : 616,880.10 = 270,939.80 : x
  2. Step 2: Convert to fraction form
    411,944.60/616,880.10 = 270,939.80/x
  3. Step 3: Cross multiply
    411,944.60x = 616,880.10 × 270,939.80
  4. Step 4: Simplify right side
    411,944.60x = 167,137,370,917.98
  5. Step 5: Solve for x
    x = 167,137,370,917.98/411,944.60
  6. Step 6: Final answer
    x = 405,727.79

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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.