Home / 403,922.20-605,883.30-262,917.40

Finding the Fourth Proportional to 403,922.20, 605,883.30 and 262,917.40

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Solution

The fourth proportional to 403,922.20, 605,883.30 and 262,917.40 is: 394,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,922.20 : 605,883.30 = 262,917.40 : x
  2. Step 2: Convert to fraction form
    403,922.20/605,883.30 = 262,917.40/x
  3. Step 3: Cross multiply
    403,922.20x = 605,883.30 × 262,917.40
  4. Step 4: Simplify right side
    403,922.20x = 159,297,261,939.42
  5. Step 5: Solve for x
    x = 159,297,261,939.42/403,922.20
  6. Step 6: Final answer
    x = 394,376.10

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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.