Finding the Fourth Proportional to 801,755.24, 1,106,382.88 and 439,180.68
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Solution
The fourth proportional to 801,755.24, 1,106,382.88 and 439,180.68 is: 606,047.78
Step by Step Solution
- Step 1: Write the proportion equation
801,755.24 : 1,106,382.88 = 439,180.68 : x - Step 2: Convert to fraction form
801,755.24/1,106,382.88 = 439,180.68/x - Step 3: Cross multiply
801,755.24x = 1,106,382.88 × 439,180.68 - Step 4: Simplify right side
801,755.24x = 485,901,985,578.76 - Step 5: Solve for x
x = 485,901,985,578.76/801,755.24 - Step 6: Final answer
x = 606,047.78
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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.