Finding the Fourth Proportional to 721,960.13, 994,079.63 and 641,247.41
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Solution
The fourth proportional to 721,960.13, 994,079.63 and 641,247.41 is: 882,944.86
Step by Step Solution
- Step 1: Write the proportion equation
721,960.13 : 994,079.63 = 641,247.41 : x - Step 2: Convert to fraction form
721,960.13/994,079.63 = 641,247.41/x - Step 3: Cross multiply
721,960.13x = 994,079.63 × 641,247.41 - Step 4: Simplify right side
721,960.13x = 637,450,984,703.98 - Step 5: Solve for x
x = 637,450,984,703.98/721,960.13 - Step 6: Final answer
x = 882,944.86
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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.