Home / 722,803.20-1,084,334.40-302,121.60

Finding the Fourth Proportional to 722,803.20, 1,084,334.40 and 302,121.60

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Solution

The fourth proportional to 722,803.20, 1,084,334.40 and 302,121.60 is: 453,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,803.20 : 1,084,334.40 = 302,121.60 : x
  2. Step 2: Convert to fraction form
    722,803.20/1,084,334.40 = 302,121.60/x
  3. Step 3: Cross multiply
    722,803.20x = 1,084,334.40 × 302,121.60
  4. Step 4: Simplify right side
    722,803.20x = 327,600,843,863.04
  5. Step 5: Solve for x
    x = 327,600,843,863.04/722,803.20
  6. Step 6: Final answer
    x = 453,236.57

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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.