Finding the Fourth Proportional to 625,019.79, 862,527.56 and 338,538.99
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Solution
The fourth proportional to 625,019.79, 862,527.56 and 338,538.99 is: 467,183.94
Step by Step Solution
- Step 1: Write the proportion equation
625,019.79 : 862,527.56 = 338,538.99 : x - Step 2: Convert to fraction form
625,019.79/862,527.56 = 338,538.99/x - Step 3: Cross multiply
625,019.79x = 862,527.56 × 338,538.99 - Step 4: Simplify right side
625,019.79x = 291,999,207,316.87 - Step 5: Solve for x
x = 291,999,207,316.87/625,019.79 - Step 6: Final answer
x = 467,183.94
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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.