Finding the Fourth Proportional to 991,046.68, 1,367,621.48 and 577,557.14
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Solution
The fourth proportional to 991,046.68, 1,367,621.48 and 577,557.14 is: 797,015.48
Step by Step Solution
- Step 1: Write the proportion equation
991,046.68 : 1,367,621.48 = 577,557.14 : x - Step 2: Convert to fraction form
991,046.68/1,367,621.48 = 577,557.14/x - Step 3: Cross multiply
991,046.68x = 1,367,621.48 × 577,557.14 - Step 4: Simplify right side
991,046.68x = 789,879,545,197.15 - Step 5: Solve for x
x = 789,879,545,197.15/991,046.68 - Step 6: Final answer
x = 797,015.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.