Home / 889,672.70-1,334,233.04-320,979.88

Finding the Fourth Proportional to 889,672.70, 1,334,233.04 and 320,979.88

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Solution

The fourth proportional to 889,672.70, 1,334,233.04 and 320,979.88 is: 481,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,672.70 : 1,334,233.04 = 320,979.88 : x
  2. Step 2: Convert to fraction form
    889,672.70/1,334,233.04 = 320,979.88/x
  3. Step 3: Cross multiply
    889,672.70x = 1,334,233.04 × 320,979.88
  4. Step 4: Simplify right side
    889,672.70x = 428,261,961,071.24
  5. Step 5: Solve for x
    x = 428,261,961,071.24/889,672.70
  6. Step 6: Final answer
    x = 481,370.24

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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.