Finding the Fourth Proportional to 681,625.63, 940,649.96 and 375,713.99
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Solution
The fourth proportional to 681,625.63, 940,649.96 and 375,713.99 is: 518,488.95
Step by Step Solution
- Step 1: Write the proportion equation
681,625.63 : 940,649.96 = 375,713.99 : x - Step 2: Convert to fraction form
681,625.63/940,649.96 = 375,713.99/x - Step 3: Cross multiply
681,625.63x = 940,649.96 × 375,713.99 - Step 4: Simplify right side
681,625.63x = 353,415,354,719.57 - Step 5: Solve for x
x = 353,415,354,719.57/681,625.63 - Step 6: Final answer
x = 518,488.95
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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.