Home / 631,131.60-945,647.64-443,750.16

Finding the Fourth Proportional to 631,131.60, 945,647.64 and 443,750.16

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Solution

The fourth proportional to 631,131.60, 945,647.64 and 443,750.16 is: 664,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,131.60 : 945,647.64 = 443,750.16 : x
  2. Step 2: Convert to fraction form
    631,131.60/945,647.64 = 443,750.16/x
  3. Step 3: Cross multiply
    631,131.60x = 945,647.64 × 443,750.16
  4. Step 4: Simplify right side
    631,131.60x = 419,631,291,553.62
  5. Step 5: Solve for x
    x = 419,631,291,553.62/631,131.60
  6. Step 6: Final answer
    x = 664,887.15

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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.