Finding the Fourth Proportional to 798,536.40, 1,197,804.60 and 515,101.20
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Solution
The fourth proportional to 798,536.40, 1,197,804.60 and 515,101.20 is: 772,651.80
Step by Step Solution
- Step 1: Write the proportion equation
798,536.40 : 1,197,804.60 = 515,101.20 : x - Step 2: Convert to fraction form
798,536.40/1,197,804.60 = 515,101.20/x - Step 3: Cross multiply
798,536.40x = 1,197,804.60 × 515,101.20 - Step 4: Simplify right side
798,536.40x = 616,990,586,825.52 - Step 5: Solve for x
x = 616,990,586,825.52/798,536.40 - Step 6: Final answer
x = 772,651.80
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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.