Finding the Fourth Proportional to 793,939.94, 1,095,601.41 and 449,768.84
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Solution
The fourth proportional to 793,939.94, 1,095,601.41 and 449,768.84 is: 620,660.76
Step by Step Solution
- Step 1: Write the proportion equation
793,939.94 : 1,095,601.41 = 449,768.84 : x - Step 2: Convert to fraction form
793,939.94/1,095,601.41 = 449,768.84/x - Step 3: Cross multiply
793,939.94x = 1,095,601.41 × 449,768.84 - Step 4: Simplify right side
793,939.94x = 492,767,369,800.06 - Step 5: Solve for x
x = 492,767,369,800.06/793,939.94 - Step 6: Final answer
x = 620,660.76
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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.