Home / 325,276.20-489,080.70-273,954.60

Finding the Fourth Proportional to 325,276.20, 489,080.70 and 273,954.60

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Solution

The fourth proportional to 325,276.20, 489,080.70 and 273,954.60 is: 411,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,276.20 : 489,080.70 = 273,954.60 : x
  2. Step 2: Convert to fraction form
    325,276.20/489,080.70 = 273,954.60/x
  3. Step 3: Cross multiply
    325,276.20x = 489,080.70 × 273,954.60
  4. Step 4: Simplify right side
    325,276.20x = 133,985,907,536.22
  5. Step 5: Solve for x
    x = 133,985,907,536.22/325,276.20
  6. Step 6: Final answer
    x = 411,914.27

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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.