Finding the Fourth Proportional to 1,129,906.80, 1,694,873.97 and 331,204.48
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Solution
The fourth proportional to 1,129,906.80, 1,694,873.97 and 331,204.48 is: 496,810.75
Step by Step Solution
- Step 1: Write the proportion equation
1,129,906.80 : 1,694,873.97 = 331,204.48 : x - Step 2: Convert to fraction form
1,129,906.80/1,694,873.97 = 331,204.48/x - Step 3: Cross multiply
1,129,906.80x = 1,694,873.97 × 331,204.48 - Step 4: Simplify right side
1,129,906.80x = 561,349,847,662.20 - Step 5: Solve for x
x = 561,349,847,662.20/1,129,906.80 - Step 6: Final answer
x = 496,810.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.