Home / 683,540.80-1,025,490.40-262,830.40

Finding the Fourth Proportional to 683,540.80, 1,025,490.40 and 262,830.40

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Solution

The fourth proportional to 683,540.80, 1,025,490.40 and 262,830.40 is: 394,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,540.80 : 1,025,490.40 = 262,830.40 : x
  2. Step 2: Convert to fraction form
    683,540.80/1,025,490.40 = 262,830.40/x
  3. Step 3: Cross multiply
    683,540.80x = 1,025,490.40 × 262,830.40
  4. Step 4: Simplify right side
    683,540.80x = 269,530,052,028.16
  5. Step 5: Solve for x
    x = 269,530,052,028.16/683,540.80
  6. Step 6: Final answer
    x = 394,314.50

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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.