Home / 851,015.56-1,276,527.46-251,988.02

Finding the Fourth Proportional to 851,015.56, 1,276,527.46 and 251,988.02

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Solution

The fourth proportional to 851,015.56, 1,276,527.46 and 251,988.02 is: 377,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,015.56 : 1,276,527.46 = 251,988.02 : x
  2. Step 2: Convert to fraction form
    851,015.56/1,276,527.46 = 251,988.02/x
  3. Step 3: Cross multiply
    851,015.56x = 1,276,527.46 × 251,988.02
  4. Step 4: Simplify right side
    851,015.56x = 321,669,627,121.03
  5. Step 5: Solve for x
    x = 321,669,627,121.03/851,015.56
  6. Step 6: Final answer
    x = 377,983.25

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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.