Finding the Fourth Proportional to 819,198.77, 1,229,344.70 and 286,719.82
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Solution
The fourth proportional to 819,198.77, 1,229,344.70 and 286,719.82 is: 430,271.02
Step by Step Solution
- Step 1: Write the proportion equation
819,198.77 : 1,229,344.70 = 286,719.82 : x - Step 2: Convert to fraction form
819,198.77/1,229,344.70 = 286,719.82/x - Step 3: Cross multiply
819,198.77x = 1,229,344.70 × 286,719.82 - Step 4: Simplify right side
819,198.77x = 352,477,486,594.99 - Step 5: Solve for x
x = 352,477,486,594.99/819,198.77 - Step 6: Final answer
x = 430,271.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.