Home / 769,912.37-1,062,485.94-425,771.45

Finding the Fourth Proportional to 769,912.37, 1,062,485.94 and 425,771.45

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Solution

The fourth proportional to 769,912.37, 1,062,485.94 and 425,771.45 is: 587,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,912.37 : 1,062,485.94 = 425,771.45 : x
  2. Step 2: Convert to fraction form
    769,912.37/1,062,485.94 = 425,771.45/x
  3. Step 3: Cross multiply
    769,912.37x = 1,062,485.94 × 425,771.45
  4. Step 4: Simplify right side
    769,912.37x = 452,376,181,934.63
  5. Step 5: Solve for x
    x = 452,376,181,934.63/769,912.37
  6. Step 6: Final answer
    x = 587,568.41

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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.