Finding the Fourth Proportional to 712,437.62, 1,068,727.71 and 263,276.42
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Solution
The fourth proportional to 712,437.62, 1,068,727.71 and 263,276.42 is: 394,940.97
Step by Step Solution
- Step 1: Write the proportion equation
712,437.62 : 1,068,727.71 = 263,276.42 : x - Step 2: Convert to fraction form
712,437.62/1,068,727.71 = 263,276.42/x - Step 3: Cross multiply
712,437.62x = 1,068,727.71 × 263,276.42 - Step 4: Simplify right side
712,437.62x = 281,370,805,443.60 - Step 5: Solve for x
x = 281,370,805,443.60/712,437.62 - Step 6: Final answer
x = 394,940.97
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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.