Home / 791,954.70-1,091,840.24-629,151.38

Finding the Fourth Proportional to 791,954.70, 1,091,840.24 and 629,151.38

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Solution

The fourth proportional to 791,954.70, 1,091,840.24 and 629,151.38 is: 867,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,954.70 : 1,091,840.24 = 629,151.38 : x
  2. Step 2: Convert to fraction form
    791,954.70/1,091,840.24 = 629,151.38/x
  3. Step 3: Cross multiply
    791,954.70x = 1,091,840.24 × 629,151.38
  4. Step 4: Simplify right side
    791,954.70x = 686,932,785,130.57
  5. Step 5: Solve for x
    x = 686,932,785,130.57/791,954.70
  6. Step 6: Final answer
    x = 867,388.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.