Home / 1,363.90-2,046.23-486.60

Finding the Fourth Proportional to 1,363.90, 2,046.23 and 486.60

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Solution

The fourth proportional to 1,363.90, 2,046.23 and 486.60 is: 730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.90 : 2,046.23 = 486.60 : x
  2. Step 2: Convert to fraction form
    1,363.90/2,046.23 = 486.60/x
  3. Step 3: Cross multiply
    1,363.90x = 2,046.23 × 486.60
  4. Step 4: Simplify right side
    1,363.90x = 995,693.09
  5. Step 5: Solve for x
    x = 995,693.09/1,363.90
  6. Step 6: Final answer
    x = 730.03

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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.