Finding the Fourth Proportional to 850,682.44, 1,275,634.86 and 317,812.60
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Solution
The fourth proportional to 850,682.44, 1,275,634.86 and 317,812.60 is: 476,573.65
Step by Step Solution
- Step 1: Write the proportion equation
850,682.44 : 1,275,634.86 = 317,812.60 : x - Step 2: Convert to fraction form
850,682.44/1,275,634.86 = 317,812.60/x - Step 3: Cross multiply
850,682.44x = 1,275,634.86 × 317,812.60 - Step 4: Simplify right side
850,682.44x = 405,412,831,507.24 - Step 5: Solve for x
x = 405,412,831,507.24/850,682.44 - Step 6: Final answer
x = 476,573.65
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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.