Home / 494,734.80-739,769.40-368,763.60

Finding the Fourth Proportional to 494,734.80, 739,769.40 and 368,763.60

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Solution

The fourth proportional to 494,734.80, 739,769.40 and 368,763.60 is: 551,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,734.80 : 739,769.40 = 368,763.60 : x
  2. Step 2: Convert to fraction form
    494,734.80/739,769.40 = 368,763.60/x
  3. Step 3: Cross multiply
    494,734.80x = 739,769.40 × 368,763.60
  4. Step 4: Simplify right side
    494,734.80x = 272,800,027,113.84
  5. Step 5: Solve for x
    x = 272,800,027,113.84/494,734.80
  6. Step 6: Final answer
    x = 551,406.59

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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.