Finding the Fourth Proportional to 741,611.88, 1,112,415.66 and 641,474.28
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Solution
The fourth proportional to 741,611.88, 1,112,415.66 and 641,474.28 is: 962,209.55
Step by Step Solution
- Step 1: Write the proportion equation
741,611.88 : 1,112,415.66 = 641,474.28 : x - Step 2: Convert to fraction form
741,611.88/1,112,415.66 = 641,474.28/x - Step 3: Cross multiply
741,611.88x = 1,112,415.66 × 641,474.28 - Step 4: Simplify right side
741,611.88x = 713,586,034,559.23 - Step 5: Solve for x
x = 713,586,034,559.23/741,611.88 - Step 6: Final answer
x = 962,209.55
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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.