Home / 694,238.28-1,040,280.29-481,421.31

Finding the Fourth Proportional to 694,238.28, 1,040,280.29 and 481,421.31

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Solution

The fourth proportional to 694,238.28, 1,040,280.29 and 481,421.31 is: 721,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,238.28 : 1,040,280.29 = 481,421.31 : x
  2. Step 2: Convert to fraction form
    694,238.28/1,040,280.29 = 481,421.31/x
  3. Step 3: Cross multiply
    694,238.28x = 1,040,280.29 × 481,421.31
  4. Step 4: Simplify right side
    694,238.28x = 500,813,097,571.87
  5. Step 5: Solve for x
    x = 500,813,097,571.87/694,238.28
  6. Step 6: Final answer
    x = 721,385.02

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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.