Home / 769,799.60-1,152,512.40-727,906.40

Finding the Fourth Proportional to 769,799.60, 1,152,512.40 and 727,906.40

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Solution

The fourth proportional to 769,799.60, 1,152,512.40 and 727,906.40 is: 1,089,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,799.60 : 1,152,512.40 = 727,906.40 : x
  2. Step 2: Convert to fraction form
    769,799.60/1,152,512.40 = 727,906.40/x
  3. Step 3: Cross multiply
    769,799.60x = 1,152,512.40 × 727,906.40
  4. Step 4: Simplify right side
    769,799.60x = 838,921,152,039.36
  5. Step 5: Solve for x
    x = 838,921,152,039.36/769,799.60
  6. Step 6: Final answer
    x = 1,089,791.62

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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.