Finding the Fourth Proportional to 681,559.18, 940,513.29 and 375,634.63
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Solution
The fourth proportional to 681,559.18, 940,513.29 and 375,634.63 is: 518,354.64
Step by Step Solution
- Step 1: Write the proportion equation
681,559.18 : 940,513.29 = 375,634.63 : x - Step 2: Convert to fraction form
681,559.18/940,513.29 = 375,634.63/x - Step 3: Cross multiply
681,559.18x = 940,513.29 × 375,634.63 - Step 4: Simplify right side
681,559.18x = 353,289,361,699.23 - Step 5: Solve for x
x = 353,289,361,699.23/681,559.18 - Step 6: Final answer
x = 518,354.64
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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.