Home / 889,540.32-1,334,313.18-215,618.97

Finding the Fourth Proportional to 889,540.32, 1,334,313.18 and 215,618.97

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Solution

The fourth proportional to 889,540.32, 1,334,313.18 and 215,618.97 is: 323,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,540.32 : 1,334,313.18 = 215,618.97 : x
  2. Step 2: Convert to fraction form
    889,540.32/1,334,313.18 = 215,618.97/x
  3. Step 3: Cross multiply
    889,540.32x = 1,334,313.18 × 215,618.97
  4. Step 4: Simplify right side
    889,540.32x = 287,703,233,529.03
  5. Step 5: Solve for x
    x = 287,703,233,529.03/889,540.32
  6. Step 6: Final answer
    x = 323,429.11

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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.