Finding the Fourth Proportional to 739,066.68, 1,019,914.62 and 399,534.96
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Solution
The fourth proportional to 739,066.68, 1,019,914.62 and 399,534.96 is: 551,359.65
Step by Step Solution
- Step 1: Write the proportion equation
739,066.68 : 1,019,914.62 = 399,534.96 : x - Step 2: Convert to fraction form
739,066.68/1,019,914.62 = 399,534.96/x - Step 3: Cross multiply
739,066.68x = 1,019,914.62 × 399,534.96 - Step 4: Simplify right side
739,066.68x = 407,491,546,905.12 - Step 5: Solve for x
x = 407,491,546,905.12/739,066.68 - Step 6: Final answer
x = 551,359.65
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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.