Finding the Fourth Proportional to 629,592.20, 868,811.92 and 343,106.08
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Solution
The fourth proportional to 629,592.20, 868,811.92 and 343,106.08 is: 473,472.59
Step by Step Solution
- Step 1: Write the proportion equation
629,592.20 : 868,811.92 = 343,106.08 : x - Step 2: Convert to fraction form
629,592.20/868,811.92 = 343,106.08/x - Step 3: Cross multiply
629,592.20x = 868,811.92 × 343,106.08 - Step 4: Simplify right side
629,592.20x = 298,094,652,128.47 - Step 5: Solve for x
x = 298,094,652,128.47/629,592.20 - Step 6: Final answer
x = 473,472.59
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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.