Home / 889,155.21-1,333,736.32-215,235.43

Finding the Fourth Proportional to 889,155.21, 1,333,736.32 and 215,235.43

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Solution

The fourth proportional to 889,155.21, 1,333,736.32 and 215,235.43 is: 322,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,155.21 : 1,333,736.32 = 215,235.43 : x
  2. Step 2: Convert to fraction form
    889,155.21/1,333,736.32 = 215,235.43/x
  3. Step 3: Cross multiply
    889,155.21x = 1,333,736.32 × 215,235.43
  4. Step 4: Simplify right side
    889,155.21x = 287,067,309,265.64
  5. Step 5: Solve for x
    x = 287,067,309,265.64/889,155.21
  6. Step 6: Final answer
    x = 322,853.99

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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.