Finding the Fourth Proportional to 726,160.84, 1,089,276.78 and 276,797.96
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Solution
The fourth proportional to 726,160.84, 1,089,276.78 and 276,797.96 is: 415,210.48
Step by Step Solution
- Step 1: Write the proportion equation
726,160.84 : 1,089,276.78 = 276,797.96 : x - Step 2: Convert to fraction form
726,160.84/1,089,276.78 = 276,797.96/x - Step 3: Cross multiply
726,160.84x = 1,089,276.78 × 276,797.96 - Step 4: Simplify right side
726,160.84x = 301,509,590,579.37 - Step 5: Solve for x
x = 301,509,590,579.37/726,160.84 - Step 6: Final answer
x = 415,210.48
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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.