Home / 851,084.28-1,276,630.54-252,056.81

Finding the Fourth Proportional to 851,084.28, 1,276,630.54 and 252,056.81

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Solution

The fourth proportional to 851,084.28, 1,276,630.54 and 252,056.81 is: 378,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,084.28 : 1,276,630.54 = 252,056.81 : x
  2. Step 2: Convert to fraction form
    851,084.28/1,276,630.54 = 252,056.81/x
  3. Step 3: Cross multiply
    851,084.28x = 1,276,630.54 × 252,056.81
  4. Step 4: Simplify right side
    851,084.28x = 321,783,424,022.41
  5. Step 5: Solve for x
    x = 321,783,424,022.41/851,084.28
  6. Step 6: Final answer
    x = 378,086.44

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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.