Home / 378,723.36-567,543.60-278,094

Finding the Fourth Proportional to 378,723.36, 567,543.60 and 278,094

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Solution

The fourth proportional to 378,723.36, 567,543.60 and 278,094 is: 416,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,723.36 : 567,543.60 = 278,094 : x
  2. Step 2: Convert to fraction form
    378,723.36/567,543.60 = 278,094/x
  3. Step 3: Cross multiply
    378,723.36x = 567,543.60 × 278,094
  4. Step 4: Simplify right side
    378,723.36x = 157,830,469,898.40
  5. Step 5: Solve for x
    x = 157,830,469,898.40/378,723.36
  6. Step 6: Final answer
    x = 416,743.42

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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.