Finding the Fourth Proportional to 629,593.13, 868,813.16 and 343,107.06
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Solution
The fourth proportional to 629,593.13, 868,813.16 and 343,107.06 is: 473,473.92
Step by Step Solution
- Step 1: Write the proportion equation
629,593.13 : 868,813.16 = 343,107.06 : x - Step 2: Convert to fraction form
629,593.13/868,813.16 = 343,107.06/x - Step 3: Cross multiply
629,593.13x = 868,813.16 × 343,107.06 - Step 4: Simplify right side
629,593.13x = 298,095,927,301.37 - Step 5: Solve for x
x = 298,095,927,301.37/629,593.13 - Step 6: Final answer
x = 473,473.92
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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.