Finding the Fourth Proportional to 727,591.22, 1,004,492.07 and 482,907.80
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Solution
The fourth proportional to 727,591.22, 1,004,492.07 and 482,907.80 is: 666,688.99
Step by Step Solution
- Step 1: Write the proportion equation
727,591.22 : 1,004,492.07 = 482,907.80 : x - Step 2: Convert to fraction form
727,591.22/1,004,492.07 = 482,907.80/x - Step 3: Cross multiply
727,591.22x = 1,004,492.07 × 482,907.80 - Step 4: Simplify right side
727,591.22x = 485,077,052,658.28 - Step 5: Solve for x
x = 485,077,052,658.28/727,591.22 - Step 6: Final answer
x = 666,688.99
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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.