Home / 851,738.40-1,277,607.60-627,789.60

Finding the Fourth Proportional to 851,738.40, 1,277,607.60 and 627,789.60

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Solution

The fourth proportional to 851,738.40, 1,277,607.60 and 627,789.60 is: 941,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,738.40 : 1,277,607.60 = 627,789.60 : x
  2. Step 2: Convert to fraction form
    851,738.40/1,277,607.60 = 627,789.60/x
  3. Step 3: Cross multiply
    851,738.40x = 1,277,607.60 × 627,789.60
  4. Step 4: Simplify right side
    851,738.40x = 802,068,764,160.96
  5. Step 5: Solve for x
    x = 802,068,764,160.96/851,738.40
  6. Step 6: Final answer
    x = 941,684.40

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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.