Finding the Fourth Proportional to 818,617.44, 1,121,509.95 and 787,936.19
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Solution
The fourth proportional to 818,617.44, 1,121,509.95 and 787,936.19 is: 1,079,476.48
Step by Step Solution
- Step 1: Write the proportion equation
818,617.44 : 1,121,509.95 = 787,936.19 : x - Step 2: Convert to fraction form
818,617.44/1,121,509.95 = 787,936.19/x - Step 3: Cross multiply
818,617.44x = 1,121,509.95 × 787,936.19 - Step 4: Simplify right side
818,617.44x = 883,678,271,442.54 - Step 5: Solve for x
x = 883,678,271,442.54/818,617.44 - Step 6: Final answer
x = 1,079,476.48
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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.