Home / 643,338.01-964,726.66-216,794.34

Finding the Fourth Proportional to 643,338.01, 964,726.66 and 216,794.34

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Solution

The fourth proportional to 643,338.01, 964,726.66 and 216,794.34 is: 325,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,338.01 : 964,726.66 = 216,794.34 : x
  2. Step 2: Convert to fraction form
    643,338.01/964,726.66 = 216,794.34/x
  3. Step 3: Cross multiply
    643,338.01x = 964,726.66 × 216,794.34
  4. Step 4: Simplify right side
    643,338.01x = 209,147,278,451.13
  5. Step 5: Solve for x
    x = 209,147,278,451.13/643,338.01
  6. Step 6: Final answer
    x = 325,097.03

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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.