Home / 823,466.40-1,235,257.20-324,765.60

Finding the Fourth Proportional to 823,466.40, 1,235,257.20 and 324,765.60

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Solution

The fourth proportional to 823,466.40, 1,235,257.20 and 324,765.60 is: 487,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,466.40 : 1,235,257.20 = 324,765.60 : x
  2. Step 2: Convert to fraction form
    823,466.40/1,235,257.20 = 324,765.60/x
  3. Step 3: Cross multiply
    823,466.40x = 1,235,257.20 × 324,765.60
  4. Step 4: Simplify right side
    823,466.40x = 401,169,045,712.32
  5. Step 5: Solve for x
    x = 401,169,045,712.32/823,466.40
  6. Step 6: Final answer
    x = 487,171.12

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1.5x scale

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.