Finding the Fourth Proportional to 984,115.70, 1,476,173.55 and 859,699.70
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Solution
The fourth proportional to 984,115.70, 1,476,173.55 and 859,699.70 is: 1,289,549.55
Step by Step Solution
- Step 1: Write the proportion equation
984,115.70 : 1,476,173.55 = 859,699.70 : x - Step 2: Convert to fraction form
984,115.70/1,476,173.55 = 859,699.70/x - Step 3: Cross multiply
984,115.70x = 1,476,173.55 × 859,699.70 - Step 4: Simplify right side
984,115.70x = 1,269,065,958,082.94 - Step 5: Solve for x
x = 1,269,065,958,082.94/984,115.70 - Step 6: Final answer
x = 1,289,549.55
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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.