Home / 681,026.40-1,022,122.80-302,529.60

Finding the Fourth Proportional to 681,026.40, 1,022,122.80 and 302,529.60

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Solution

The fourth proportional to 681,026.40, 1,022,122.80 and 302,529.60 is: 454,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,026.40 : 1,022,122.80 = 302,529.60 : x
  2. Step 2: Convert to fraction form
    681,026.40/1,022,122.80 = 302,529.60/x
  3. Step 3: Cross multiply
    681,026.40x = 1,022,122.80 × 302,529.60
  4. Step 4: Simplify right side
    681,026.40x = 309,222,401,834.88
  5. Step 5: Solve for x
    x = 309,222,401,834.88/681,026.40
  6. Step 6: Final answer
    x = 454,053.47

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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.