Finding the Fourth Proportional to 790,198.31, 1,184,817.49 and 309,850.63
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Solution
The fourth proportional to 790,198.31, 1,184,817.49 and 309,850.63 is: 464,587.74
Step by Step Solution
- Step 1: Write the proportion equation
790,198.31 : 1,184,817.49 = 309,850.63 : x - Step 2: Convert to fraction form
790,198.31/1,184,817.49 = 309,850.63/x - Step 3: Cross multiply
790,198.31x = 1,184,817.49 × 309,850.63 - Step 4: Simplify right side
790,198.31x = 367,116,450,382.36 - Step 5: Solve for x
x = 367,116,450,382.36/790,198.31 - Step 6: Final answer
x = 464,587.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.