Finding the Fourth Proportional to 738,739.44, 1,107,948.24 and 198,982.44
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Solution
The fourth proportional to 738,739.44, 1,107,948.24 and 198,982.44 is: 298,430.32
Step by Step Solution
- Step 1: Write the proportion equation
738,739.44 : 1,107,948.24 = 198,982.44 : x - Step 2: Convert to fraction form
738,739.44/1,107,948.24 = 198,982.44/x - Step 3: Cross multiply
738,739.44x = 1,107,948.24 × 198,982.44 - Step 4: Simplify right side
738,739.44x = 220,462,244,188.91 - Step 5: Solve for x
x = 220,462,244,188.91/738,739.44 - Step 6: Final answer
x = 298,430.32
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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.