Finding the Fourth Proportional to 848,878.24, 1,171,618.40 and 486,544.96
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Solution
The fourth proportional to 848,878.24, 1,171,618.40 and 486,544.96 is: 671,527.44
Step by Step Solution
- Step 1: Write the proportion equation
848,878.24 : 1,171,618.40 = 486,544.96 : x - Step 2: Convert to fraction form
848,878.24/1,171,618.40 = 486,544.96/x - Step 3: Cross multiply
848,878.24x = 1,171,618.40 × 486,544.96 - Step 4: Simplify right side
848,878.24x = 570,045,027,563.26 - Step 5: Solve for x
x = 570,045,027,563.26/848,878.24 - Step 6: Final answer
x = 671,527.44
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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.