Finding the Fourth Proportional to 990,529.74, 1,366,936.08 and 560,893.59
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Solution
The fourth proportional to 990,529.74, 1,366,936.08 and 560,893.59 is: 774,036.01
Step by Step Solution
- Step 1: Write the proportion equation
990,529.74 : 1,366,936.08 = 560,893.59 : x - Step 2: Convert to fraction form
990,529.74/1,366,936.08 = 560,893.59/x - Step 3: Cross multiply
990,529.74x = 1,366,936.08 × 560,893.59 - Step 4: Simplify right side
990,529.74x = 766,705,685,211.73 - Step 5: Solve for x
x = 766,705,685,211.73/990,529.74 - Step 6: Final answer
x = 774,036.01
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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.