Finding the Fourth Proportional to 519,992.97, 717,595.02 and 305,136.60
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Solution
The fourth proportional to 519,992.97, 717,595.02 and 305,136.60 is: 421,091.28
Step by Step Solution
- Step 1: Write the proportion equation
519,992.97 : 717,595.02 = 305,136.60 : x - Step 2: Convert to fraction form
519,992.97/717,595.02 = 305,136.60/x - Step 3: Cross multiply
519,992.97x = 717,595.02 × 305,136.60 - Step 4: Simplify right side
519,992.97x = 218,964,504,579.73 - Step 5: Solve for x
x = 218,964,504,579.73/519,992.97 - Step 6: Final answer
x = 421,091.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.