Finding the Fourth Proportional to 737,423.60, 1,105,889.36 and 288,027.90
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Solution
The fourth proportional to 737,423.60, 1,105,889.36 and 288,027.90 is: 431,945.75
Step by Step Solution
- Step 1: Write the proportion equation
737,423.60 : 1,105,889.36 = 288,027.90 : x - Step 2: Convert to fraction form
737,423.60/1,105,889.36 = 288,027.90/x - Step 3: Cross multiply
737,423.60x = 1,105,889.36 × 288,027.90 - Step 4: Simplify right side
737,423.60x = 318,526,988,553.01 - Step 5: Solve for x
x = 318,526,988,553.01/737,423.60 - Step 6: Final answer
x = 431,945.75
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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.