Finding the Fourth Proportional to 822,072.35, 1,134,414.02 and 454,528.23
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Solution
The fourth proportional to 822,072.35, 1,134,414.02 and 454,528.23 is: 627,223.62
Step by Step Solution
- Step 1: Write the proportion equation
822,072.35 : 1,134,414.02 = 454,528.23 : x - Step 2: Convert to fraction form
822,072.35/1,134,414.02 = 454,528.23/x - Step 3: Cross multiply
822,072.35x = 1,134,414.02 × 454,528.23 - Step 4: Simplify right side
822,072.35x = 515,623,193,480.05 - Step 5: Solve for x
x = 515,623,193,480.05/822,072.35 - Step 6: Final answer
x = 627,223.62
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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.