Finding the Fourth Proportional to 936,809.13, 1,405,252.59 and 271,961.13
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Solution
The fourth proportional to 936,809.13, 1,405,252.59 and 271,961.13 is: 407,952.99
Step by Step Solution
- Step 1: Write the proportion equation
936,809.13 : 1,405,252.59 = 271,961.13 : x - Step 2: Convert to fraction form
936,809.13/1,405,252.59 = 271,961.13/x - Step 3: Cross multiply
936,809.13x = 1,405,252.59 × 271,961.13 - Step 4: Simplify right side
936,809.13x = 382,174,082,311.83 - Step 5: Solve for x
x = 382,174,082,311.83/936,809.13 - Step 6: Final answer
x = 407,952.99
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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.