Finding the Fourth Proportional to 818,618.44, 1,121,511.32 and 787,937.19
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Solution
The fourth proportional to 818,618.44, 1,121,511.32 and 787,937.19 is: 1,079,477.86
Step by Step Solution
- Step 1: Write the proportion equation
818,618.44 : 1,121,511.32 = 787,937.19 : x - Step 2: Convert to fraction form
818,618.44/1,121,511.32 = 787,937.19/x - Step 3: Cross multiply
818,618.44x = 1,121,511.32 × 787,937.19 - Step 4: Simplify right side
818,618.44x = 883,680,478,033.99 - Step 5: Solve for x
x = 883,680,478,033.99/818,618.44 - Step 6: Final answer
x = 1,079,477.86
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.