Finding the Fourth Proportional to 494,407.57, 682,296.84 and 279,543.02
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Solution
The fourth proportional to 494,407.57, 682,296.84 and 279,543.02 is: 385,777.51
Step by Step Solution
- Step 1: Write the proportion equation
494,407.57 : 682,296.84 = 279,543.02 : x - Step 2: Convert to fraction form
494,407.57/682,296.84 = 279,543.02/x - Step 3: Cross multiply
494,407.57x = 682,296.84 × 279,543.02 - Step 4: Simplify right side
494,407.57x = 190,731,322,321.66 - Step 5: Solve for x
x = 190,731,322,321.66/494,407.57 - Step 6: Final answer
x = 385,777.51
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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.