Home / 617,968.20-926,433.90-322,480.20

Finding the Fourth Proportional to 617,968.20, 926,433.90 and 322,480.20

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Solution

The fourth proportional to 617,968.20, 926,433.90 and 322,480.20 is: 483,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,968.20 : 926,433.90 = 322,480.20 : x
  2. Step 2: Convert to fraction form
    617,968.20/926,433.90 = 322,480.20/x
  3. Step 3: Cross multiply
    617,968.20x = 926,433.90 × 322,480.20
  4. Step 4: Simplify right side
    617,968.20x = 298,756,589,358.78
  5. Step 5: Solve for x
    x = 298,756,589,358.78/617,968.20
  6. Step 6: Final answer
    x = 483,449.78

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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.