Home / 831,991.80-1,244,704.26-630,169.32

Finding the Fourth Proportional to 831,991.80, 1,244,704.26 and 630,169.32

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Solution

The fourth proportional to 831,991.80, 1,244,704.26 and 630,169.32 is: 942,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,991.80 : 1,244,704.26 = 630,169.32 : x
  2. Step 2: Convert to fraction form
    831,991.80/1,244,704.26 = 630,169.32/x
  3. Step 3: Cross multiply
    831,991.80x = 1,244,704.26 × 630,169.32
  4. Step 4: Simplify right side
    831,991.80x = 784,374,437,125.30
  5. Step 5: Solve for x
    x = 784,374,437,125.30/831,991.80
  6. Step 6: Final answer
    x = 942,767.03

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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.