Finding the Fourth Proportional to 737,678.24, 1,105,860.90 and 288,296.92
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Solution
The fourth proportional to 737,678.24, 1,105,860.90 and 288,296.92 is: 432,188.83
Step by Step Solution
- Step 1: Write the proportion equation
737,678.24 : 1,105,860.90 = 288,296.92 : x - Step 2: Convert to fraction form
737,678.24/1,105,860.90 = 288,296.92/x - Step 3: Cross multiply
737,678.24x = 1,105,860.90 × 288,296.92 - Step 4: Simplify right side
737,678.24x = 318,816,293,881.87 - Step 5: Solve for x
x = 318,816,293,881.87/737,678.24 - Step 6: Final answer
x = 432,188.83
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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.