Home / 682,431.28-1,022,816.77-482,809.21

Finding the Fourth Proportional to 682,431.28, 1,022,816.77 and 482,809.21

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Solution

The fourth proportional to 682,431.28, 1,022,816.77 and 482,809.21 is: 723,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,431.28 : 1,022,816.77 = 482,809.21 : x
  2. Step 2: Convert to fraction form
    682,431.28/1,022,816.77 = 482,809.21/x
  3. Step 3: Cross multiply
    682,431.28x = 1,022,816.77 × 482,809.21
  4. Step 4: Simplify right side
    682,431.28x = 493,825,352,934.39
  5. Step 5: Solve for x
    x = 493,825,352,934.39/682,431.28
  6. Step 6: Final answer
    x = 723,626.49

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Double scale
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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.