Finding the Fourth Proportional to 422,441.55, 582,773.93 and 374,092.75
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Solution
The fourth proportional to 422,441.55, 582,773.93 and 374,092.75 is: 516,074.95
Step by Step Solution
- Step 1: Write the proportion equation
422,441.55 : 582,773.93 = 374,092.75 : x - Step 2: Convert to fraction form
422,441.55/582,773.93 = 374,092.75/x - Step 3: Cross multiply
422,441.55x = 582,773.93 × 374,092.75 - Step 4: Simplify right side
422,441.55x = 218,011,502,102.01 - Step 5: Solve for x
x = 218,011,502,102.01/422,441.55 - Step 6: Final answer
x = 516,074.95
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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.