Finding the Fourth Proportional to 629,588.64, 868,807.08 and 343,102.62
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Solution
The fourth proportional to 629,588.64, 868,807.08 and 343,102.62 is: 473,467.86
Step by Step Solution
- Step 1: Write the proportion equation
629,588.64 : 868,807.08 = 343,102.62 : x - Step 2: Convert to fraction form
629,588.64/868,807.08 = 343,102.62/x - Step 3: Cross multiply
629,588.64x = 868,807.08 × 343,102.62 - Step 4: Simplify right side
629,588.64x = 298,089,985,422.55 - Step 5: Solve for x
x = 298,089,985,422.55/629,588.64 - Step 6: Final answer
x = 473,467.86
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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.