Finding the Fourth Proportional to 505,769.64, 754,964.92 and 441,924.09
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Solution
The fourth proportional to 505,769.64, 754,964.92 and 441,924.09 is: 659,662.34
Step by Step Solution
- Step 1: Write the proportion equation
505,769.64 : 754,964.92 = 441,924.09 : x - Step 2: Convert to fraction form
505,769.64/754,964.92 = 441,924.09/x - Step 3: Cross multiply
505,769.64x = 754,964.92 × 441,924.09 - Step 4: Simplify right side
505,769.64x = 333,637,182,974.21 - Step 5: Solve for x
x = 333,637,182,974.21/505,769.64 - Step 6: Final answer
x = 659,662.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.