Finding the Fourth Proportional to 982,861.49, 1,474,647.02 and 343,259.37
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Solution
The fourth proportional to 982,861.49, 1,474,647.02 and 343,259.37 is: 515,012.96
Step by Step Solution
- Step 1: Write the proportion equation
982,861.49 : 1,474,647.02 = 343,259.37 : x - Step 2: Convert to fraction form
982,861.49/1,474,647.02 = 343,259.37/x - Step 3: Cross multiply
982,861.49x = 1,474,647.02 × 343,259.37 - Step 4: Simplify right side
982,861.49x = 506,186,406,628.50 - Step 5: Solve for x
x = 506,186,406,628.50/982,861.49 - Step 6: Final answer
x = 515,012.96
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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.