Finding the Fourth Proportional to 899,503.97, 1,355,324.78 and 743,084.10
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Solution
The fourth proportional to 899,503.97, 1,355,324.78 and 743,084.10 is: 1,119,639.62
Step by Step Solution
- Step 1: Write the proportion equation
899,503.97 : 1,355,324.78 = 743,084.10 : x - Step 2: Convert to fraction form
899,503.97/1,355,324.78 = 743,084.10/x - Step 3: Cross multiply
899,503.97x = 1,355,324.78 × 743,084.10 - Step 4: Simplify right side
899,503.97x = 1,007,120,283,861.95 - Step 5: Solve for x
x = 1,007,120,283,861.95/899,503.97 - Step 6: Final answer
x = 1,119,639.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.