Finding the Fourth Proportional to 463,473.65, 694,392.84 and 405,905.19
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Solution
The fourth proportional to 463,473.65, 694,392.84 and 405,905.19 is: 608,141.72
Step by Step Solution
- Step 1: Write the proportion equation
463,473.65 : 694,392.84 = 405,905.19 : x - Step 2: Convert to fraction form
463,473.65/694,392.84 = 405,905.19/x - Step 3: Cross multiply
463,473.65x = 694,392.84 × 405,905.19 - Step 4: Simplify right side
463,473.65x = 281,857,657,654.84 - Step 5: Solve for x
x = 281,857,657,654.84/463,473.65 - Step 6: Final answer
x = 608,141.72
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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.