Finding the Fourth Proportional to 713,243.96, 1,068,816.04 and 313,518.68
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Solution
The fourth proportional to 713,243.96, 1,068,816.04 and 313,518.68 is: 469,816.52
Step by Step Solution
- Step 1: Write the proportion equation
713,243.96 : 1,068,816.04 = 313,518.68 : x - Step 2: Convert to fraction form
713,243.96/1,068,816.04 = 313,518.68/x - Step 3: Cross multiply
713,243.96x = 1,068,816.04 × 313,518.68 - Step 4: Simplify right side
713,243.96x = 335,093,794,023.63 - Step 5: Solve for x
x = 335,093,794,023.63/713,243.96 - Step 6: Final answer
x = 469,816.52
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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.