Finding the Fourth Proportional to 695,434.97, 959,635.72 and 393,628.97
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Solution
The fourth proportional to 695,434.97, 959,635.72 and 393,628.97 is: 543,171.45
Step by Step Solution
- Step 1: Write the proportion equation
695,434.97 : 959,635.72 = 393,628.97 : x - Step 2: Convert to fraction form
695,434.97/959,635.72 = 393,628.97/x - Step 3: Cross multiply
695,434.97x = 959,635.72 × 393,628.97 - Step 4: Simplify right side
695,434.97x = 377,740,422,929.93 - Step 5: Solve for x
x = 377,740,422,929.93/695,434.97 - Step 6: Final answer
x = 543,171.45
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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.