Finding the Fourth Proportional to 827,771.24, 1,241,394.42 and 354,329.48
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Solution
The fourth proportional to 827,771.24, 1,241,394.42 and 354,329.48 is: 531,381.88
Step by Step Solution
- Step 1: Write the proportion equation
827,771.24 : 1,241,394.42 = 354,329.48 : x - Step 2: Convert to fraction form
827,771.24/1,241,394.42 = 354,329.48/x - Step 3: Cross multiply
827,771.24x = 1,241,394.42 × 354,329.48 - Step 4: Simplify right side
827,771.24x = 439,862,639,313.50 - Step 5: Solve for x
x = 439,862,639,313.50/827,771.24 - Step 6: Final answer
x = 531,381.88
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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.