Finding the Fourth Proportional to 657,361.92, 907,107.84 and 370,951.68
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Solution
The fourth proportional to 657,361.92, 907,107.84 and 370,951.68 is: 511,884.19
Step by Step Solution
- Step 1: Write the proportion equation
657,361.92 : 907,107.84 = 370,951.68 : x - Step 2: Convert to fraction form
657,361.92/907,107.84 = 370,951.68/x - Step 3: Cross multiply
657,361.92x = 907,107.84 × 370,951.68 - Step 4: Simplify right side
657,361.92x = 336,493,177,189.17 - Step 5: Solve for x
x = 336,493,177,189.17/657,361.92 - Step 6: Final answer
x = 511,884.19
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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.