Home / 738,906.21-1,108,774.54-401,970.44

Finding the Fourth Proportional to 738,906.21, 1,108,774.54 and 401,970.44

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Solution

The fourth proportional to 738,906.21, 1,108,774.54 and 401,970.44 is: 603,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,906.21 : 1,108,774.54 = 401,970.44 : x
  2. Step 2: Convert to fraction form
    738,906.21/1,108,774.54 = 401,970.44/x
  3. Step 3: Cross multiply
    738,906.21x = 1,108,774.54 × 401,970.44
  4. Step 4: Simplify right side
    738,906.21x = 445,694,589,704.60
  5. Step 5: Solve for x
    x = 445,694,589,704.60/738,906.21
  6. Step 6: Final answer
    x = 603,181.55

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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.