Finding the Fourth Proportional to 813,679.96, 1,122,944.58 and 451,217.32
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Solution
The fourth proportional to 813,679.96, 1,122,944.58 and 451,217.32 is: 622,716.63
Step by Step Solution
- Step 1: Write the proportion equation
813,679.96 : 1,122,944.58 = 451,217.32 : x - Step 2: Convert to fraction form
813,679.96/1,122,944.58 = 451,217.32/x - Step 3: Cross multiply
813,679.96x = 1,122,944.58 × 451,217.32 - Step 4: Simplify right side
813,679.96x = 506,692,043,896.13 - Step 5: Solve for x
x = 506,692,043,896.13/813,679.96 - Step 6: Final answer
x = 622,716.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.