Finding the Fourth Proportional to 629,486.07, 868,689.43 and 343,005.49
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Solution
The fourth proportional to 629,486.07, 868,689.43 and 343,005.49 is: 473,346.84
Step by Step Solution
- Step 1: Write the proportion equation
629,486.07 : 868,689.43 = 343,005.49 : x - Step 2: Convert to fraction form
629,486.07/868,689.43 = 343,005.49/x - Step 3: Cross multiply
629,486.07x = 868,689.43 × 343,005.49 - Step 4: Simplify right side
629,486.07x = 297,965,243,594.97 - Step 5: Solve for x
x = 297,965,243,594.97/629,486.07 - Step 6: Final answer
x = 473,346.84
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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.