Finding the Fourth Proportional to 681,525.68, 940,511.79 and 375,612.98
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Solution
The fourth proportional to 681,525.68, 940,511.79 and 375,612.98 is: 518,349.41
Step by Step Solution
- Step 1: Write the proportion equation
681,525.68 : 940,511.79 = 375,612.98 : x - Step 2: Convert to fraction form
681,525.68/940,511.79 = 375,612.98/x - Step 3: Cross multiply
681,525.68x = 940,511.79 × 375,612.98 - Step 4: Simplify right side
681,525.68x = 353,268,436,167.03 - Step 5: Solve for x
x = 353,268,436,167.03/681,525.68 - Step 6: Final answer
x = 518,349.41
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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.