Home / 889,524.20-1,334,274.34-215,611.28

Finding the Fourth Proportional to 889,524.20, 1,334,274.34 and 215,611.28

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Solution

The fourth proportional to 889,524.20, 1,334,274.34 and 215,611.28 is: 323,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,524.20 : 1,334,274.34 = 215,611.28 : x
  2. Step 2: Convert to fraction form
    889,524.20/1,334,274.34 = 215,611.28/x
  3. Step 3: Cross multiply
    889,524.20x = 1,334,274.34 × 215,611.28
  4. Step 4: Simplify right side
    889,524.20x = 287,684,598,318.56
  5. Step 5: Solve for x
    x = 287,684,598,318.56/889,524.20
  6. Step 6: Final answer
    x = 323,414.02

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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.