Finding the Fourth Proportional to 822,884.62, 1,133,057.41 and 720,336.19
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Solution
The fourth proportional to 822,884.62, 1,133,057.41 and 720,336.19 is: 991,855.04
Step by Step Solution
- Step 1: Write the proportion equation
822,884.62 : 1,133,057.41 = 720,336.19 : x - Step 2: Convert to fraction form
822,884.62/1,133,057.41 = 720,336.19/x - Step 3: Cross multiply
822,884.62x = 1,133,057.41 × 720,336.19 - Step 4: Simplify right side
822,884.62x = 816,182,257,770.67 - Step 5: Solve for x
x = 816,182,257,770.67/822,884.62 - Step 6: Final answer
x = 991,855.04
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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.