Finding the Fourth Proportional to 629,549.44, 868,756.16 and 343,063.68
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Solution
The fourth proportional to 629,549.44, 868,756.16 and 343,063.68 is: 473,415.85
Step by Step Solution
- Step 1: Write the proportion equation
629,549.44 : 868,756.16 = 343,063.68 : x - Step 2: Convert to fraction form
629,549.44/868,756.16 = 343,063.68/x - Step 3: Cross multiply
629,549.44x = 868,756.16 × 343,063.68 - Step 4: Simplify right side
629,549.44x = 298,038,685,272.27 - Step 5: Solve for x
x = 298,038,685,272.27/629,549.44 - Step 6: Final answer
x = 473,415.85
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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.