Finding the Fourth Proportional to 1,146,419.22, 1,719,632.97 and 347,707.68
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Solution
The fourth proportional to 1,146,419.22, 1,719,632.97 and 347,707.68 is: 521,562.78
Step by Step Solution
- Step 1: Write the proportion equation
1,146,419.22 : 1,719,632.97 = 347,707.68 : x - Step 2: Convert to fraction form
1,146,419.22/1,719,632.97 = 347,707.68/x - Step 3: Cross multiply
1,146,419.22x = 1,719,632.97 × 347,707.68 - Step 4: Simplify right side
1,146,419.22x = 597,929,590,450.21 - Step 5: Solve for x
x = 597,929,590,450.21/1,146,419.22 - Step 6: Final answer
x = 521,562.78
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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.