Finding the Fourth Proportional to 822,959.88, 1,135,770.11 and 474,112.13
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Solution
The fourth proportional to 822,959.88, 1,135,770.11 and 474,112.13 is: 654,323.97
Step by Step Solution
- Step 1: Write the proportion equation
822,959.88 : 1,135,770.11 = 474,112.13 : x - Step 2: Convert to fraction form
822,959.88/1,135,770.11 = 474,112.13/x - Step 3: Cross multiply
822,959.88x = 1,135,770.11 × 474,112.13 - Step 4: Simplify right side
822,959.88x = 538,482,377,993.02 - Step 5: Solve for x
x = 538,482,377,993.02/822,959.88 - Step 6: Final answer
x = 654,323.97
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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.