Finding the Fourth Proportional to 681,451.79, 940,409.77 and 375,539.12
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Solution
The fourth proportional to 681,451.79, 940,409.77 and 375,539.12 is: 518,247.46
Step by Step Solution
- Step 1: Write the proportion equation
681,451.79 : 940,409.77 = 375,539.12 : x - Step 2: Convert to fraction form
681,451.79/940,409.77 = 375,539.12/x - Step 3: Cross multiply
681,451.79x = 940,409.77 × 375,539.12 - Step 4: Simplify right side
681,451.79x = 353,160,657,465.20 - Step 5: Solve for x
x = 353,160,657,465.20/681,451.79 - Step 6: Final answer
x = 518,247.46
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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.