Finding the Fourth Proportional to 681,948.49, 1,023,217.66 and 366,036.31
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Solution
The fourth proportional to 681,948.49, 1,023,217.66 and 366,036.31 is: 549,212.77
Step by Step Solution
- Step 1: Write the proportion equation
681,948.49 : 1,023,217.66 = 366,036.31 : x - Step 2: Convert to fraction form
681,948.49/1,023,217.66 = 366,036.31/x - Step 3: Cross multiply
681,948.49x = 1,023,217.66 × 366,036.31 - Step 4: Simplify right side
681,948.49x = 374,534,816,593.24 - Step 5: Solve for x
x = 374,534,816,593.24/681,948.49 - Step 6: Final answer
x = 549,212.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.