Home / 551,449.20-827,173.80-528,121.20

Finding the Fourth Proportional to 551,449.20, 827,173.80 and 528,121.20

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Solution

The fourth proportional to 551,449.20, 827,173.80 and 528,121.20 is: 792,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,449.20 : 827,173.80 = 528,121.20 : x
  2. Step 2: Convert to fraction form
    551,449.20/827,173.80 = 528,121.20/x
  3. Step 3: Cross multiply
    551,449.20x = 827,173.80 × 528,121.20
  4. Step 4: Simplify right side
    551,449.20x = 436,848,019,864.56
  5. Step 5: Solve for x
    x = 436,848,019,864.56/551,449.20
  6. Step 6: Final answer
    x = 792,181.80

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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.