Finding the Fourth Proportional to 755,991.46, 1,043,218.62 and 416,459.68
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Solution
The fourth proportional to 755,991.46, 1,043,218.62 and 416,459.68 is: 574,687.04
Step by Step Solution
- Step 1: Write the proportion equation
755,991.46 : 1,043,218.62 = 416,459.68 : x - Step 2: Convert to fraction form
755,991.46/1,043,218.62 = 416,459.68/x - Step 3: Cross multiply
755,991.46x = 1,043,218.62 × 416,459.68 - Step 4: Simplify right side
755,991.46x = 434,458,492,655.24 - Step 5: Solve for x
x = 434,458,492,655.24/755,991.46 - Step 6: Final answer
x = 574,687.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.