Finding the Fourth Proportional to 927,180.84, 1,279,492.62 and 513,716.11
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Solution
The fourth proportional to 927,180.84, 1,279,492.62 and 513,716.11 is: 708,918.85
Step by Step Solution
- Step 1: Write the proportion equation
927,180.84 : 1,279,492.62 = 513,716.11 : x - Step 2: Convert to fraction form
927,180.84/1,279,492.62 = 513,716.11/x - Step 3: Cross multiply
927,180.84x = 1,279,492.62 × 513,716.11 - Step 4: Simplify right side
927,180.84x = 657,295,971,520.11 - Step 5: Solve for x
x = 657,295,971,520.11/927,180.84 - Step 6: Final answer
x = 708,918.85
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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.