Home / 681,010.40-1,022,098.80-302,513.60

Finding the Fourth Proportional to 681,010.40, 1,022,098.80 and 302,513.60

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Solution

The fourth proportional to 681,010.40, 1,022,098.80 and 302,513.60 is: 454,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,010.40 : 1,022,098.80 = 302,513.60 : x
  2. Step 2: Convert to fraction form
    681,010.40/1,022,098.80 = 302,513.60/x
  3. Step 3: Cross multiply
    681,010.40x = 1,022,098.80 × 302,513.60
  4. Step 4: Simplify right side
    681,010.40x = 309,198,787,543.68
  5. Step 5: Solve for x
    x = 309,198,787,543.68/681,010.40
  6. Step 6: Final answer
    x = 454,029.46

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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.