Finding the Fourth Proportional to 548,521.44, 757,029.69 and 306,817.44
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Solution
The fourth proportional to 548,521.44, 757,029.69 and 306,817.44 is: 423,447.28
Step by Step Solution
- Step 1: Write the proportion equation
548,521.44 : 757,029.69 = 306,817.44 : x - Step 2: Convert to fraction form
548,521.44/757,029.69 = 306,817.44/x - Step 3: Cross multiply
548,521.44x = 757,029.69 × 306,817.44 - Step 4: Simplify right side
548,521.44x = 232,269,911,489.79 - Step 5: Solve for x
x = 232,269,911,489.79/548,521.44 - Step 6: Final answer
x = 423,447.28
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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.