Finding the Fourth Proportional to 657,944.62, 908,107.55 and 416,549.05
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Solution
The fourth proportional to 657,944.62, 908,107.55 and 416,549.05 is: 574,928.84
Step by Step Solution
- Step 1: Write the proportion equation
657,944.62 : 908,107.55 = 416,549.05 : x - Step 2: Convert to fraction form
657,944.62/908,107.55 = 416,549.05/x - Step 3: Cross multiply
657,944.62x = 908,107.55 × 416,549.05 - Step 4: Simplify right side
657,944.62x = 378,271,335,167.58 - Step 5: Solve for x
x = 378,271,335,167.58/657,944.62 - Step 6: Final answer
x = 574,928.84
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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.