Home / 682,850.39-1,024,478.58-303,718.75

Finding the Fourth Proportional to 682,850.39, 1,024,478.58 and 303,718.75

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Solution

The fourth proportional to 682,850.39, 1,024,478.58 and 303,718.75 is: 455,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,850.39 : 1,024,478.58 = 303,718.75 : x
  2. Step 2: Convert to fraction form
    682,850.39/1,024,478.58 = 303,718.75/x
  3. Step 3: Cross multiply
    682,850.39x = 1,024,478.58 × 303,718.75
  4. Step 4: Simplify right side
    682,850.39x = 311,153,352,297.12
  5. Step 5: Solve for x
    x = 311,153,352,297.12/682,850.39
  6. Step 6: Final answer
    x = 455,668.41

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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.