Home / 492,121.20-739,056.60-359,151.60

Finding the Fourth Proportional to 492,121.20, 739,056.60 and 359,151.60

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Solution

The fourth proportional to 492,121.20, 739,056.60 and 359,151.60 is: 539,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,121.20 : 739,056.60 = 359,151.60 : x
  2. Step 2: Convert to fraction form
    492,121.20/739,056.60 = 359,151.60/x
  3. Step 3: Cross multiply
    492,121.20x = 739,056.60 × 359,151.60
  4. Step 4: Simplify right side
    492,121.20x = 265,433,360,380.56
  5. Step 5: Solve for x
    x = 265,433,360,380.56/492,121.20
  6. Step 6: Final answer
    x = 539,365.83

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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.