Finding the Fourth Proportional to 986,818.07, 1,478,701.37 and 770,163.11
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Solution
The fourth proportional to 986,818.07, 1,478,701.37 and 770,163.11 is: 1,154,053.90
Step by Step Solution
- Step 1: Write the proportion equation
986,818.07 : 1,478,701.37 = 770,163.11 : x - Step 2: Convert to fraction form
986,818.07/1,478,701.37 = 770,163.11/x - Step 3: Cross multiply
986,818.07x = 1,478,701.37 × 770,163.11 - Step 4: Simplify right side
986,818.07x = 1,138,841,245,880.46 - Step 5: Solve for x
x = 1,138,841,245,880.46/986,818.07 - Step 6: Final answer
x = 1,154,053.90
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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.