Home / 644,150.26-888,913.60-357,665.41

Finding the Fourth Proportional to 644,150.26, 888,913.60 and 357,665.41

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Solution

The fourth proportional to 644,150.26, 888,913.60 and 357,665.41 is: 493,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,150.26 : 888,913.60 = 357,665.41 : x
  2. Step 2: Convert to fraction form
    644,150.26/888,913.60 = 357,665.41/x
  3. Step 3: Cross multiply
    644,150.26x = 888,913.60 × 357,665.41
  4. Step 4: Simplify right side
    644,150.26x = 317,933,647,198.58
  5. Step 5: Solve for x
    x = 317,933,647,198.58/644,150.26
  6. Step 6: Final answer
    x = 493,570.63

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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.