Finding the Fourth Proportional to 718,270.72, 1,077,171.62 and 238,369.62
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Solution
The fourth proportional to 718,270.72, 1,077,171.62 and 238,369.62 is: 357,476.62
Step by Step Solution
- Step 1: Write the proportion equation
718,270.72 : 1,077,171.62 = 238,369.62 : x - Step 2: Convert to fraction form
718,270.72/1,077,171.62 = 238,369.62/x - Step 3: Cross multiply
718,270.72x = 1,077,171.62 × 238,369.62 - Step 4: Simplify right side
718,270.72x = 256,764,989,734.18 - Step 5: Solve for x
x = 256,764,989,734.18/718,270.72 - Step 6: Final answer
x = 357,476.62
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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.