Finding the Fourth Proportional to 619,552.09, 854,996.62 and 347,640.09
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Solution
The fourth proportional to 619,552.09, 854,996.62 and 347,640.09 is: 479,751.60
Step by Step Solution
- Step 1: Write the proportion equation
619,552.09 : 854,996.62 = 347,640.09 : x - Step 2: Convert to fraction form
619,552.09/854,996.62 = 347,640.09/x - Step 3: Cross multiply
619,552.09x = 854,996.62 × 347,640.09 - Step 4: Simplify right side
619,552.09x = 297,231,101,926.50 - Step 5: Solve for x
x = 297,231,101,926.50/619,552.09 - Step 6: Final answer
x = 479,751.60
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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.