Home / 769,918.12-1,062,493.90-425,777.37

Finding the Fourth Proportional to 769,918.12, 1,062,493.90 and 425,777.37

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Solution

The fourth proportional to 769,918.12, 1,062,493.90 and 425,777.37 is: 587,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,918.12 : 1,062,493.90 = 425,777.37 : x
  2. Step 2: Convert to fraction form
    769,918.12/1,062,493.90 = 425,777.37/x
  3. Step 3: Cross multiply
    769,918.12x = 1,062,493.90 × 425,777.37
  4. Step 4: Simplify right side
    769,918.12x = 452,385,858,383.04
  5. Step 5: Solve for x
    x = 452,385,858,383.04/769,918.12
  6. Step 6: Final answer
    x = 587,576.58

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1.5x scale

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.