Finding the Fourth Proportional to 798,517.68, 1,101,916.08 and 454,321.68
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Solution
The fourth proportional to 798,517.68, 1,101,916.08 and 454,321.68 is: 626,942.12
Step by Step Solution
- Step 1: Write the proportion equation
798,517.68 : 1,101,916.08 = 454,321.68 : x - Step 2: Convert to fraction form
798,517.68/1,101,916.08 = 454,321.68/x - Step 3: Cross multiply
798,517.68x = 1,101,916.08 × 454,321.68 - Step 4: Simplify right side
798,517.68x = 500,624,364,684.61 - Step 5: Solve for x
x = 500,624,364,684.61/798,517.68 - Step 6: Final answer
x = 626,942.12
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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.