Finding the Fourth Proportional to 850,548.93, 1,276,357.53 and 345,112.05
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Solution
The fourth proportional to 850,548.93, 1,276,357.53 and 345,112.05 is: 517,884.80
Step by Step Solution
- Step 1: Write the proportion equation
850,548.93 : 1,276,357.53 = 345,112.05 : x - Step 2: Convert to fraction form
850,548.93/1,276,357.53 = 345,112.05/x - Step 3: Cross multiply
850,548.93x = 1,276,357.53 × 345,112.05 - Step 4: Simplify right side
850,548.93x = 440,486,363,711.24 - Step 5: Solve for x
x = 440,486,363,711.24/850,548.93 - Step 6: Final answer
x = 517,884.80
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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.