Finding the Fourth Proportional to 848,699.61, 1,171,236.26 and 486,193.53
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Solution
The fourth proportional to 848,699.61, 1,171,236.26 and 486,193.53 is: 670,964.71
Step by Step Solution
- Step 1: Write the proportion equation
848,699.61 : 1,171,236.26 = 486,193.53 : x - Step 2: Convert to fraction form
848,699.61/1,171,236.26 = 486,193.53/x - Step 3: Cross multiply
848,699.61x = 1,171,236.26 × 486,193.53 - Step 4: Simplify right side
848,699.61x = 569,447,491,713.40 - Step 5: Solve for x
x = 569,447,491,713.40/848,699.61 - Step 6: Final answer
x = 670,964.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.