Finding the Fourth Proportional to 621,583.97, 857,861.75 and 349,663.32
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Solution
The fourth proportional to 621,583.97, 857,861.75 and 349,663.32 is: 482,578.07
Step by Step Solution
- Step 1: Write the proportion equation
621,583.97 : 857,861.75 = 349,663.32 : x - Step 2: Convert to fraction form
621,583.97/857,861.75 = 349,663.32/x - Step 3: Cross multiply
621,583.97x = 857,861.75 × 349,663.32 - Step 4: Simplify right side
621,583.97x = 299,962,788,480.17 - Step 5: Solve for x
x = 299,962,788,480.17/621,583.97 - Step 6: Final answer
x = 482,578.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.