Finding the Fourth Proportional to 611,553.36, 844,365.88 and 382,213.74
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Solution
The fourth proportional to 611,553.36, 844,365.88 and 382,213.74 is: 527,718.86
Step by Step Solution
- Step 1: Write the proportion equation
611,553.36 : 844,365.88 = 382,213.74 : x - Step 2: Convert to fraction form
611,553.36/844,365.88 = 382,213.74/x - Step 3: Cross multiply
611,553.36x = 844,365.88 × 382,213.74 - Step 4: Simplify right side
611,553.36x = 322,728,240,923.19 - Step 5: Solve for x
x = 322,728,240,923.19/611,553.36 - Step 6: Final answer
x = 527,718.86
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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.