Finding the Fourth Proportional to 548,724.64, 757,269.38 and 306,992.84
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Solution
The fourth proportional to 548,724.64, 757,269.38 and 306,992.84 is: 423,666.55
Step by Step Solution
- Step 1: Write the proportion equation
548,724.64 : 757,269.38 = 306,992.84 : x - Step 2: Convert to fraction form
548,724.64/757,269.38 = 306,992.84/x - Step 3: Cross multiply
548,724.64x = 757,269.38 × 306,992.84 - Step 4: Simplify right side
548,724.64x = 232,476,277,611.24 - Step 5: Solve for x
x = 232,476,277,611.24/548,724.64 - Step 6: Final answer
x = 423,666.55
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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.