Finding the Fourth Proportional to 629,562.07, 868,792.79 and 343,082.08
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Solution
The fourth proportional to 629,562.07, 868,792.79 and 343,082.08 is: 473,451.71
Step by Step Solution
- Step 1: Write the proportion equation
629,562.07 : 868,792.79 = 343,082.08 : x - Step 2: Convert to fraction form
629,562.07/868,792.79 = 343,082.08/x - Step 3: Cross multiply
629,562.07x = 868,792.79 × 343,082.08 - Step 4: Simplify right side
629,562.07x = 298,067,237,496.06 - Step 5: Solve for x
x = 298,067,237,496.06/629,562.07 - Step 6: Final answer
x = 473,451.71
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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.