Finding the Fourth Proportional to 768,771.31, 1,153,161.08 and 504,207.17
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Solution
The fourth proportional to 768,771.31, 1,153,161.08 and 504,207.17 is: 756,313.45
Step by Step Solution
- Step 1: Write the proportion equation
768,771.31 : 1,153,161.08 = 504,207.17 : x - Step 2: Convert to fraction form
768,771.31/1,153,161.08 = 504,207.17/x - Step 3: Cross multiply
768,771.31x = 1,153,161.08 × 504,207.17 - Step 4: Simplify right side
768,771.31x = 581,432,084,700.94 - Step 5: Solve for x
x = 581,432,084,700.94/768,771.31 - Step 6: Final answer
x = 756,313.45
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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.