Finding the Fourth Proportional to 675,276.74, 1,012,541.18 and 276,197.78
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Solution
The fourth proportional to 675,276.74, 1,012,541.18 and 276,197.78 is: 414,143.72
Step by Step Solution
- Step 1: Write the proportion equation
675,276.74 : 1,012,541.18 = 276,197.78 : x - Step 2: Convert to fraction form
675,276.74/1,012,541.18 = 276,197.78/x - Step 3: Cross multiply
675,276.74x = 1,012,541.18 × 276,197.78 - Step 4: Simplify right side
675,276.74x = 279,661,619,630.89 - Step 5: Solve for x
x = 279,661,619,630.89/675,276.74 - Step 6: Final answer
x = 414,143.72
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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.