Home / 852,733.80-1,278,425.96-320,195.52

Finding the Fourth Proportional to 852,733.80, 1,278,425.96 and 320,195.52

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Solution

The fourth proportional to 852,733.80, 1,278,425.96 and 320,195.52 is: 480,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,733.80 : 1,278,425.96 = 320,195.52 : x
  2. Step 2: Convert to fraction form
    852,733.80/1,278,425.96 = 320,195.52/x
  3. Step 3: Cross multiply
    852,733.80x = 1,278,425.96 × 320,195.52
  4. Step 4: Simplify right side
    852,733.80x = 409,346,265,043.70
  5. Step 5: Solve for x
    x = 409,346,265,043.70/852,733.80
  6. Step 6: Final answer
    x = 480,039.92

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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.