Finding the Fourth Proportional to 886,674.36, 1,330,198.49 and 287,588.91
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Solution
The fourth proportional to 886,674.36, 1,330,198.49 and 287,588.91 is: 431,444.00
Step by Step Solution
- Step 1: Write the proportion equation
886,674.36 : 1,330,198.49 = 287,588.91 : x - Step 2: Convert to fraction form
886,674.36/1,330,198.49 = 287,588.91/x - Step 3: Cross multiply
886,674.36x = 1,330,198.49 × 287,588.91 - Step 4: Simplify right side
886,674.36x = 382,550,333,822.75 - Step 5: Solve for x
x = 382,550,333,822.75/886,674.36 - Step 6: Final answer
x = 431,444.00
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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.