Home / 551,983.80-827,975.70-384,022.20

Finding the Fourth Proportional to 551,983.80, 827,975.70 and 384,022.20

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Solution

The fourth proportional to 551,983.80, 827,975.70 and 384,022.20 is: 576,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,983.80 : 827,975.70 = 384,022.20 : x
  2. Step 2: Convert to fraction form
    551,983.80/827,975.70 = 384,022.20/x
  3. Step 3: Cross multiply
    551,983.80x = 827,975.70 × 384,022.20
  4. Step 4: Simplify right side
    551,983.80x = 317,961,049,860.54
  5. Step 5: Solve for x
    x = 317,961,049,860.54/551,983.80
  6. Step 6: Final answer
    x = 576,033.30

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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.