Finding the Fourth Proportional to 479,344.19, 718,469.87 and 299,512.62
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Solution
The fourth proportional to 479,344.19, 718,469.87 and 299,512.62 is: 448,927.51
Step by Step Solution
- Step 1: Write the proportion equation
479,344.19 : 718,469.87 = 299,512.62 : x - Step 2: Convert to fraction form
479,344.19/718,469.87 = 299,512.62/x - Step 3: Cross multiply
479,344.19x = 718,469.87 × 299,512.62 - Step 4: Simplify right side
479,344.19x = 215,190,791,657.20 - Step 5: Solve for x
x = 215,190,791,657.20/479,344.19 - Step 6: Final answer
x = 448,927.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.