Finding the Fourth Proportional to 768,770.31, 1,153,159.58 and 504,206.17
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Solution
The fourth proportional to 768,770.31, 1,153,159.58 and 504,206.17 is: 756,311.95
Step by Step Solution
- Step 1: Write the proportion equation
768,770.31 : 1,153,159.58 = 504,206.17 : x - Step 2: Convert to fraction form
768,770.31/1,153,159.58 = 504,206.17/x - Step 3: Cross multiply
768,770.31x = 1,153,159.58 × 504,206.17 - Step 4: Simplify right side
768,770.31x = 581,430,175,230.61 - Step 5: Solve for x
x = 581,430,175,230.61/768,770.31 - Step 6: Final answer
x = 756,311.95
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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.