Finding the Fourth Proportional to 614,362.40, 847,717.36 and 342,370.68
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Solution
The fourth proportional to 614,362.40, 847,717.36 and 342,370.68 is: 472,414.28
Step by Step Solution
- Step 1: Write the proportion equation
614,362.40 : 847,717.36 = 342,370.68 : x - Step 2: Convert to fraction form
614,362.40/847,717.36 = 342,370.68/x - Step 3: Cross multiply
614,362.40x = 847,717.36 × 342,370.68 - Step 4: Simplify right side
614,362.40x = 290,233,568,991.01 - Step 5: Solve for x
x = 290,233,568,991.01/614,362.40 - Step 6: Final answer
x = 472,414.28
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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.