Home / 643,338.26-964,727.03-216,794.59

Finding the Fourth Proportional to 643,338.26, 964,727.03 and 216,794.59

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Solution

The fourth proportional to 643,338.26, 964,727.03 and 216,794.59 is: 325,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,338.26 : 964,727.03 = 216,794.59 : x
  2. Step 2: Convert to fraction form
    643,338.26/964,727.03 = 216,794.59/x
  3. Step 3: Cross multiply
    643,338.26x = 964,727.03 × 216,794.59
  4. Step 4: Simplify right side
    643,338.26x = 209,147,600,930.77
  5. Step 5: Solve for x
    x = 209,147,600,930.77/643,338.26
  6. Step 6: Final answer
    x = 325,097.41

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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.