Finding the Fourth Proportional to 868,806.38, 1,198,241.97 and 611,534.99
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Solution
The fourth proportional to 868,806.38, 1,198,241.97 and 611,534.99 is: 843,417.94
Step by Step Solution
- Step 1: Write the proportion equation
868,806.38 : 1,198,241.97 = 611,534.99 : x - Step 2: Convert to fraction form
868,806.38/1,198,241.97 = 611,534.99/x - Step 3: Cross multiply
868,806.38x = 1,198,241.97 × 611,534.99 - Step 4: Simplify right side
868,806.38x = 732,766,891,141.53 - Step 5: Solve for x
x = 732,766,891,141.53/868,806.38 - Step 6: Final answer
x = 843,417.94
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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.