Home / 699,147.82-964,983.27-494,986.51

Finding the Fourth Proportional to 699,147.82, 964,983.27 and 494,986.51

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Solution

The fourth proportional to 699,147.82, 964,983.27 and 494,986.51 is: 683,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,147.82 : 964,983.27 = 494,986.51 : x
  2. Step 2: Convert to fraction form
    699,147.82/964,983.27 = 494,986.51/x
  3. Step 3: Cross multiply
    699,147.82x = 964,983.27 × 494,986.51
  4. Step 4: Simplify right side
    699,147.82x = 477,653,701,025.69
  5. Step 5: Solve for x
    x = 477,653,701,025.69/699,147.82
  6. Step 6: Final answer
    x = 683,194.15

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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.