Finding the Fourth Proportional to 746,685.18, 1,120,025.64 and 185,719.68
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Solution
The fourth proportional to 746,685.18, 1,120,025.64 and 185,719.68 is: 278,578.99
Step by Step Solution
- Step 1: Write the proportion equation
746,685.18 : 1,120,025.64 = 185,719.68 : x - Step 2: Convert to fraction form
746,685.18/1,120,025.64 = 185,719.68/x - Step 3: Cross multiply
746,685.18x = 1,120,025.64 × 185,719.68 - Step 4: Simplify right side
746,685.18x = 208,010,803,452.60 - Step 5: Solve for x
x = 208,010,803,452.60/746,685.18 - Step 6: Final answer
x = 278,578.99
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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.