Finding the Fourth Proportional to 829,639.56, 1,244,444.94 and 268,675.08
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Solution
The fourth proportional to 829,639.56, 1,244,444.94 and 268,675.08 is: 403,007.96
Step by Step Solution
- Step 1: Write the proportion equation
829,639.56 : 1,244,444.94 = 268,675.08 : x - Step 2: Convert to fraction form
829,639.56/1,244,444.94 = 268,675.08/x - Step 3: Cross multiply
829,639.56x = 1,244,444.94 × 268,675.08 - Step 4: Simplify right side
829,639.56x = 334,351,343,810.10 - Step 5: Solve for x
x = 334,351,343,810.10/829,639.56 - Step 6: Final answer
x = 403,007.96
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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.