Finding the Fourth Proportional to 629,592.34, 868,812.07 and 343,106.28
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Solution
The fourth proportional to 629,592.34, 868,812.07 and 343,106.28 is: 473,472.85
Step by Step Solution
- Step 1: Write the proportion equation
629,592.34 : 868,812.07 = 343,106.28 : x - Step 2: Convert to fraction form
629,592.34/868,812.07 = 343,106.28/x - Step 3: Cross multiply
629,592.34x = 868,812.07 × 343,106.28 - Step 4: Simplify right side
629,592.34x = 298,094,877,356.80 - Step 5: Solve for x
x = 298,094,877,356.80/629,592.34 - Step 6: Final answer
x = 473,472.85
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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.