Finding the Fourth Proportional to 677,691.39, 1,016,535.47 and 374,070.99
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Solution
The fourth proportional to 677,691.39, 1,016,535.47 and 374,070.99 is: 561,105.59
Step by Step Solution
- Step 1: Write the proportion equation
677,691.39 : 1,016,535.47 = 374,070.99 : x - Step 2: Convert to fraction form
677,691.39/1,016,535.47 = 374,070.99/x - Step 3: Cross multiply
677,691.39x = 1,016,535.47 × 374,070.99 - Step 4: Simplify right side
677,691.39x = 380,256,427,762.66 - Step 5: Solve for x
x = 380,256,427,762.66/677,691.39 - Step 6: Final answer
x = 561,105.59
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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.