Home / 551,474.44-827,623.40-409,647.20

Finding the Fourth Proportional to 551,474.44, 827,623.40 and 409,647.20

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Solution

The fourth proportional to 551,474.44, 827,623.40 and 409,647.20 is: 614,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,474.44 : 827,623.40 = 409,647.20 : x
  2. Step 2: Convert to fraction form
    551,474.44/827,623.40 = 409,647.20/x
  3. Step 3: Cross multiply
    551,474.44x = 827,623.40 × 409,647.20
  4. Step 4: Simplify right side
    551,474.44x = 339,033,608,464.48
  5. Step 5: Solve for x
    x = 339,033,608,464.48/551,474.44
  6. Step 6: Final answer
    x = 614,776.65

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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.