Finding the Fourth Proportional to 718,376.99, 1,077,253.19 and 205,929.28
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Solution
The fourth proportional to 718,376.99, 1,077,253.19 and 205,929.28 is: 308,804.39
Step by Step Solution
- Step 1: Write the proportion equation
718,376.99 : 1,077,253.19 = 205,929.28 : x - Step 2: Convert to fraction form
718,376.99/1,077,253.19 = 205,929.28/x - Step 3: Cross multiply
718,376.99x = 1,077,253.19 × 205,929.28 - Step 4: Simplify right side
718,376.99x = 221,837,970,071.62 - Step 5: Solve for x
x = 221,837,970,071.62/718,376.99 - Step 6: Final answer
x = 308,804.39
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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.