Finding the Fourth Proportional to 741,639.87, 1,112,492.16 and 362,879.53
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Solution
The fourth proportional to 741,639.87, 1,112,492.16 and 362,879.53 is: 544,335.12
Step by Step Solution
- Step 1: Write the proportion equation
741,639.87 : 1,112,492.16 = 362,879.53 : x - Step 2: Convert to fraction form
741,639.87/1,112,492.16 = 362,879.53/x - Step 3: Cross multiply
741,639.87x = 1,112,492.16 × 362,879.53 - Step 4: Simplify right side
741,639.87x = 403,700,629,368.25 - Step 5: Solve for x
x = 403,700,629,368.25/741,639.87 - Step 6: Final answer
x = 544,335.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.