Finding the Fourth Proportional to 751,020.53, 1,124,662.43 and 525,324.18
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Solution
The fourth proportional to 751,020.53, 1,124,662.43 and 525,324.18 is: 786,679.39
Step by Step Solution
- Step 1: Write the proportion equation
751,020.53 : 1,124,662.43 = 525,324.18 : x - Step 2: Convert to fraction form
751,020.53/1,124,662.43 = 525,324.18/x - Step 3: Cross multiply
751,020.53x = 1,124,662.43 × 525,324.18 - Step 4: Simplify right side
751,020.53x = 590,812,370,129.87 - Step 5: Solve for x
x = 590,812,370,129.87/751,020.53 - Step 6: Final answer
x = 786,679.39
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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.