Home / 769,820.40-1,154,730.60-733,078.80

Finding the Fourth Proportional to 769,820.40, 1,154,730.60 and 733,078.80

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Solution

The fourth proportional to 769,820.40, 1,154,730.60 and 733,078.80 is: 1,099,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,820.40 : 1,154,730.60 = 733,078.80 : x
  2. Step 2: Convert to fraction form
    769,820.40/1,154,730.60 = 733,078.80/x
  3. Step 3: Cross multiply
    769,820.40x = 1,154,730.60 × 733,078.80
  4. Step 4: Simplify right side
    769,820.40x = 846,508,522,571.28
  5. Step 5: Solve for x
    x = 846,508,522,571.28/769,820.40
  6. Step 6: Final answer
    x = 1,099,618.20

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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.