Finding the Fourth Proportional to 830,614.56, 1,244,862.36 and 404,251.62
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Solution
The fourth proportional to 830,614.56, 1,244,862.36 and 404,251.62 is: 605,861.79
Step by Step Solution
- Step 1: Write the proportion equation
830,614.56 : 1,244,862.36 = 404,251.62 : x - Step 2: Convert to fraction form
830,614.56/1,244,862.36 = 404,251.62/x - Step 3: Cross multiply
830,614.56x = 1,244,862.36 × 404,251.62 - Step 4: Simplify right side
830,614.56x = 503,237,625,707.02 - Step 5: Solve for x
x = 503,237,625,707.02/830,614.56 - Step 6: Final answer
x = 605,861.79
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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.