Finding the Fourth Proportional to 675,449.70, 1,012,171.92 and 375,517.68
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Solution
The fourth proportional to 675,449.70, 1,012,171.92 and 375,517.68 is: 562,719.11
Step by Step Solution
- Step 1: Write the proportion equation
675,449.70 : 1,012,171.92 = 375,517.68 : x - Step 2: Convert to fraction form
675,449.70/1,012,171.92 = 375,517.68/x - Step 3: Cross multiply
675,449.70x = 1,012,171.92 × 375,517.68 - Step 4: Simplify right side
675,449.70x = 380,088,451,159.55 - Step 5: Solve for x
x = 380,088,451,159.55/675,449.70 - Step 6: Final answer
x = 562,719.11
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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.