Finding the Fourth Proportional to 621,625.07, 857,841.36 and 349,693.17
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Solution
The fourth proportional to 621,625.07, 857,841.36 and 349,693.17 is: 482,575.88
Step by Step Solution
- Step 1: Write the proportion equation
621,625.07 : 857,841.36 = 349,693.17 : x - Step 2: Convert to fraction form
621,625.07/857,841.36 = 349,693.17/x - Step 3: Cross multiply
621,625.07x = 857,841.36 × 349,693.17 - Step 4: Simplify right side
621,625.07x = 299,981,264,535.51 - Step 5: Solve for x
x = 299,981,264,535.51/621,625.07 - Step 6: Final answer
x = 482,575.88
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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.