Finding the Fourth Proportional to 954,326.62, 1,431,490.20 and 448,516.18
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Solution
The fourth proportional to 954,326.62, 1,431,490.20 and 448,516.18 is: 672,774.40
Step by Step Solution
- Step 1: Write the proportion equation
954,326.62 : 1,431,490.20 = 448,516.18 : x - Step 2: Convert to fraction form
954,326.62/1,431,490.20 = 448,516.18/x - Step 3: Cross multiply
954,326.62x = 1,431,490.20 × 448,516.18 - Step 4: Simplify right side
954,326.62x = 642,046,516,211.44 - Step 5: Solve for x
x = 642,046,516,211.44/954,326.62 - Step 6: Final answer
x = 672,774.40
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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.