Finding the Fourth Proportional to 738,415.36, 1,109,624.16 and 401,704.84
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Solution
The fourth proportional to 738,415.36, 1,109,624.16 and 401,704.84 is: 603,645.89
Step by Step Solution
- Step 1: Write the proportion equation
738,415.36 : 1,109,624.16 = 401,704.84 : x - Step 2: Convert to fraction form
738,415.36/1,109,624.16 = 401,704.84/x - Step 3: Cross multiply
738,415.36x = 1,109,624.16 × 401,704.84 - Step 4: Simplify right side
738,415.36x = 445,741,395,652.93 - Step 5: Solve for x
x = 445,741,395,652.93/738,415.36 - Step 6: Final answer
x = 603,645.89
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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.