Finding the Fourth Proportional to 681,948.99, 1,023,218.41 and 366,036.81
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Solution
The fourth proportional to 681,948.99, 1,023,218.41 and 366,036.81 is: 549,213.52
Step by Step Solution
- Step 1: Write the proportion equation
681,948.99 : 1,023,218.41 = 366,036.81 : x - Step 2: Convert to fraction form
681,948.99/1,023,218.41 = 366,036.81/x - Step 3: Cross multiply
681,948.99x = 1,023,218.41 × 366,036.81 - Step 4: Simplify right side
681,948.99x = 374,535,602,729.67 - Step 5: Solve for x
x = 374,535,602,729.67/681,948.99 - Step 6: Final answer
x = 549,213.52
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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.