Finding the Fourth Proportional to 880,908.54, 1,212,728.42 and 790,107.37
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Solution
The fourth proportional to 880,908.54, 1,212,728.42 and 790,107.37 is: 1,087,724.34
Step by Step Solution
- Step 1: Write the proportion equation
880,908.54 : 1,212,728.42 = 790,107.37 : x - Step 2: Convert to fraction form
880,908.54/1,212,728.42 = 790,107.37/x - Step 3: Cross multiply
880,908.54x = 1,212,728.42 × 790,107.37 - Step 4: Simplify right side
880,908.54x = 958,185,662,450.46 - Step 5: Solve for x
x = 958,185,662,450.46/880,908.54 - Step 6: Final answer
x = 1,087,724.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.