Home / 850,611.60-1,275,917.40-251,519.40

Finding the Fourth Proportional to 850,611.60, 1,275,917.40 and 251,519.40

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Solution

The fourth proportional to 850,611.60, 1,275,917.40 and 251,519.40 is: 377,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,611.60 : 1,275,917.40 = 251,519.40 : x
  2. Step 2: Convert to fraction form
    850,611.60/1,275,917.40 = 251,519.40/x
  3. Step 3: Cross multiply
    850,611.60x = 1,275,917.40 × 251,519.40
  4. Step 4: Simplify right side
    850,611.60x = 320,917,978,897.56
  5. Step 5: Solve for x
    x = 320,917,978,897.56/850,611.60
  6. Step 6: Final answer
    x = 377,279.10

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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.