Home / 738,905.21-1,108,773.04-401,969.44

Finding the Fourth Proportional to 738,905.21, 1,108,773.04 and 401,969.44

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Solution

The fourth proportional to 738,905.21, 1,108,773.04 and 401,969.44 is: 603,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,905.21 : 1,108,773.04 = 401,969.44 : x
  2. Step 2: Convert to fraction form
    738,905.21/1,108,773.04 = 401,969.44/x
  3. Step 3: Cross multiply
    738,905.21x = 1,108,773.04 × 401,969.44
  4. Step 4: Simplify right side
    738,905.21x = 445,692,877,975.90
  5. Step 5: Solve for x
    x = 445,692,877,975.90/738,905.21
  6. Step 6: Final answer
    x = 603,180.05

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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.