Home / 785,243.88-1,177,989.74-335,967.66

Finding the Fourth Proportional to 785,243.88, 1,177,989.74 and 335,967.66

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Solution

The fourth proportional to 785,243.88, 1,177,989.74 and 335,967.66 is: 504,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,243.88 : 1,177,989.74 = 335,967.66 : x
  2. Step 2: Convert to fraction form
    785,243.88/1,177,989.74 = 335,967.66/x
  3. Step 3: Cross multiply
    785,243.88x = 1,177,989.74 × 335,967.66
  4. Step 4: Simplify right side
    785,243.88x = 395,766,456,451.81
  5. Step 5: Solve for x
    x = 395,766,456,451.81/785,243.88
  6. Step 6: Final answer
    x = 504,004.51

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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.