Finding the Fourth Proportional to 695,387.62, 959,470.40 and 393,581.62
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Solution
The fourth proportional to 695,387.62, 959,470.40 and 393,581.62 is: 543,049.52
Step by Step Solution
- Step 1: Write the proportion equation
695,387.62 : 959,470.40 = 393,581.62 : x - Step 2: Convert to fraction form
695,387.62/959,470.40 = 393,581.62/x - Step 3: Cross multiply
695,387.62x = 959,470.40 × 393,581.62 - Step 4: Simplify right side
695,387.62x = 377,629,914,374.05 - Step 5: Solve for x
x = 377,629,914,374.05/695,387.62 - Step 6: Final answer
x = 543,049.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.