Finding the Fourth Proportional to 548,577.08, 757,109.10 and 306,952.28
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Solution
The fourth proportional to 548,577.08, 757,109.10 and 306,952.28 is: 423,634.84
Step by Step Solution
- Step 1: Write the proportion equation
548,577.08 : 757,109.10 = 306,952.28 : x - Step 2: Convert to fraction form
548,577.08/757,109.10 = 306,952.28/x - Step 3: Cross multiply
548,577.08x = 757,109.10 × 306,952.28 - Step 4: Simplify right side
548,577.08x = 232,396,364,453.75 - Step 5: Solve for x
x = 232,396,364,453.75/548,577.08 - Step 6: Final answer
x = 423,634.84
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1.5x scale
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.