Finding the Fourth Proportional to 519,965.97, 779,450.70 and 220,033.96
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Solution
The fourth proportional to 519,965.97, 779,450.70 and 220,033.96 is: 329,840.09
Step by Step Solution
- Step 1: Write the proportion equation
519,965.97 : 779,450.70 = 220,033.96 : x - Step 2: Convert to fraction form
519,965.97/779,450.70 = 220,033.96/x - Step 3: Cross multiply
519,965.97x = 779,450.70 × 220,033.96 - Step 4: Simplify right side
519,965.97x = 171,505,624,145.77 - Step 5: Solve for x
x = 171,505,624,145.77/519,965.97 - Step 6: Final answer
x = 329,840.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.