Finding the Fourth Proportional to 479,003.63, 718,505.44 and 268,657.97
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Solution
The fourth proportional to 479,003.63, 718,505.44 and 268,657.97 is: 402,986.95
Step by Step Solution
- Step 1: Write the proportion equation
479,003.63 : 718,505.44 = 268,657.97 : x - Step 2: Convert to fraction form
479,003.63/718,505.44 = 268,657.97/x - Step 3: Cross multiply
479,003.63x = 718,505.44 × 268,657.97 - Step 4: Simplify right side
479,003.63x = 193,032,208,680.19 - Step 5: Solve for x
x = 193,032,208,680.19/479,003.63 - Step 6: Final answer
x = 402,986.95
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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.