Finding the Fourth Proportional to 718,414.73, 1,077,552.12 and 291,976.12
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Solution
The fourth proportional to 718,414.73, 1,077,552.12 and 291,976.12 is: 437,935.74
Step by Step Solution
- Step 1: Write the proportion equation
718,414.73 : 1,077,552.12 = 291,976.12 : x - Step 2: Convert to fraction form
718,414.73/1,077,552.12 = 291,976.12/x - Step 3: Cross multiply
718,414.73x = 1,077,552.12 × 291,976.12 - Step 4: Simplify right side
718,414.73x = 314,619,487,095.37 - Step 5: Solve for x
x = 314,619,487,095.37/718,414.73 - Step 6: Final answer
x = 437,935.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.