Finding the Fourth Proportional to 635,732.16, 877,310.73 and 349,270.70
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Solution
The fourth proportional to 635,732.16, 877,310.73 and 349,270.70 is: 481,993.75
Step by Step Solution
- Step 1: Write the proportion equation
635,732.16 : 877,310.73 = 349,270.70 : x - Step 2: Convert to fraction form
635,732.16/877,310.73 = 349,270.70/x - Step 3: Cross multiply
635,732.16x = 877,310.73 × 349,270.70 - Step 4: Simplify right side
635,732.16x = 306,418,928,398.06 - Step 5: Solve for x
x = 306,418,928,398.06/635,732.16 - Step 6: Final answer
x = 481,993.75
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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.