Finding the Fourth Proportional to 751,302.68, 1,036,806.90 and 411,770.12
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Solution
The fourth proportional to 751,302.68, 1,036,806.90 and 411,770.12 is: 568,247.81
Step by Step Solution
- Step 1: Write the proportion equation
751,302.68 : 1,036,806.90 = 411,770.12 : x - Step 2: Convert to fraction form
751,302.68/1,036,806.90 = 411,770.12/x - Step 3: Cross multiply
751,302.68x = 1,036,806.90 × 411,770.12 - Step 4: Simplify right side
751,302.68x = 426,926,101,629.83 - Step 5: Solve for x
x = 426,926,101,629.83/751,302.68 - Step 6: Final answer
x = 568,247.81
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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.