Finding the Fourth Proportional to 919,974.87, 1,269,579.68 and 512,081.14
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Solution
The fourth proportional to 919,974.87, 1,269,579.68 and 512,081.14 is: 706,679.97
Step by Step Solution
- Step 1: Write the proportion equation
919,974.87 : 1,269,579.68 = 512,081.14 : x - Step 2: Convert to fraction form
919,974.87/1,269,579.68 = 512,081.14/x - Step 3: Cross multiply
919,974.87x = 1,269,579.68 × 512,081.14 - Step 4: Simplify right side
919,974.87x = 650,127,809,855.24 - Step 5: Solve for x
x = 650,127,809,855.24/919,974.87 - Step 6: Final answer
x = 706,679.97
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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.