Home / 889,212.26-1,333,821.81-215,292.44

Finding the Fourth Proportional to 889,212.26, 1,333,821.81 and 215,292.44

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Solution

The fourth proportional to 889,212.26, 1,333,821.81 and 215,292.44 is: 322,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,212.26 : 1,333,821.81 = 215,292.44 : x
  2. Step 2: Convert to fraction form
    889,212.26/1,333,821.81 = 215,292.44/x
  3. Step 3: Cross multiply
    889,212.26x = 1,333,821.81 × 215,292.44
  4. Step 4: Simplify right side
    889,212.26x = 287,161,752,000.12
  5. Step 5: Solve for x
    x = 287,161,752,000.12/889,212.26
  6. Step 6: Final answer
    x = 322,939.49

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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.