Finding the Fourth Proportional to 768,770.81, 1,153,160.33 and 504,206.67
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Solution
The fourth proportional to 768,770.81, 1,153,160.33 and 504,206.67 is: 756,312.70
Step by Step Solution
- Step 1: Write the proportion equation
768,770.81 : 1,153,160.33 = 504,206.67 : x - Step 2: Convert to fraction form
768,770.81/1,153,160.33 = 504,206.67/x - Step 3: Cross multiply
768,770.81x = 1,153,160.33 × 504,206.67 - Step 4: Simplify right side
768,770.81x = 581,431,129,965.40 - Step 5: Solve for x
x = 581,431,129,965.40/768,770.81 - Step 6: Final answer
x = 756,312.70
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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.