Finding the Fourth Proportional to 629,569.17, 868,780.17 and 343,083.09
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Solution
The fourth proportional to 629,569.17, 868,780.17 and 343,083.09 is: 473,440.89
Step by Step Solution
- Step 1: Write the proportion equation
629,569.17 : 868,780.17 = 343,083.09 : x - Step 2: Convert to fraction form
629,569.17/868,780.17 = 343,083.09/x - Step 3: Cross multiply
629,569.17x = 868,780.17 × 343,083.09 - Step 4: Simplify right side
629,569.17x = 298,063,785,254.33 - Step 5: Solve for x
x = 298,063,785,254.33/629,569.17 - Step 6: Final answer
x = 473,440.89
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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.