Finding the Fourth Proportional to 877,618.56, 1,316,478.84 and 246,581.64
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Solution
The fourth proportional to 877,618.56, 1,316,478.84 and 246,581.64 is: 369,886.79
Step by Step Solution
- Step 1: Write the proportion equation
877,618.56 : 1,316,478.84 = 246,581.64 : x - Step 2: Convert to fraction form
877,618.56/1,316,478.84 = 246,581.64/x - Step 3: Cross multiply
877,618.56x = 1,316,478.84 × 246,581.64 - Step 4: Simplify right side
877,618.56x = 324,619,511,392.50 - Step 5: Solve for x
x = 324,619,511,392.50/877,618.56 - Step 6: Final answer
x = 369,886.79
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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.