Home / 823,942.20-1,235,913.30-325,241.40

Finding the Fourth Proportional to 823,942.20, 1,235,913.30 and 325,241.40

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Solution

The fourth proportional to 823,942.20, 1,235,913.30 and 325,241.40 is: 487,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,942.20 : 1,235,913.30 = 325,241.40 : x
  2. Step 2: Convert to fraction form
    823,942.20/1,235,913.30 = 325,241.40/x
  3. Step 3: Cross multiply
    823,942.20x = 1,235,913.30 × 325,241.40
  4. Step 4: Simplify right side
    823,942.20x = 401,970,171,970.62
  5. Step 5: Solve for x
    x = 401,970,171,970.62/823,942.20
  6. Step 6: Final answer
    x = 487,862.10

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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.