Home / 852,600.60-1,278,667.62-320,080.68

Finding the Fourth Proportional to 852,600.60, 1,278,667.62 and 320,080.68

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Solution

The fourth proportional to 852,600.60, 1,278,667.62 and 320,080.68 is: 480,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,600.60 : 1,278,667.62 = 320,080.68 : x
  2. Step 2: Convert to fraction form
    852,600.60/1,278,667.62 = 320,080.68/x
  3. Step 3: Cross multiply
    852,600.60x = 1,278,667.62 × 320,080.68
  4. Step 4: Simplify right side
    852,600.60x = 409,276,801,303.58
  5. Step 5: Solve for x
    x = 409,276,801,303.58/852,600.60
  6. Step 6: Final answer
    x = 480,033.44

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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.