Finding the Fourth Proportional to 848,790.54, 1,273,746.69 and 399,639.84
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Solution
The fourth proportional to 848,790.54, 1,273,746.69 and 399,639.84 is: 599,723.84
Step by Step Solution
- Step 1: Write the proportion equation
848,790.54 : 1,273,746.69 = 399,639.84 : x - Step 2: Convert to fraction form
848,790.54/1,273,746.69 = 399,639.84/x - Step 3: Cross multiply
848,790.54x = 1,273,746.69 × 399,639.84 - Step 4: Simplify right side
848,790.54x = 509,039,923,392.13 - Step 5: Solve for x
x = 509,039,923,392.13/848,790.54 - Step 6: Final answer
x = 599,723.84
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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.