Finding the Fourth Proportional to 834,265.94, 1,151,242.53 and 471,668.18
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Solution
The fourth proportional to 834,265.94, 1,151,242.53 and 471,668.18 is: 650,876.95
Step by Step Solution
- Step 1: Write the proportion equation
834,265.94 : 1,151,242.53 = 471,668.18 : x - Step 2: Convert to fraction form
834,265.94/1,151,242.53 = 471,668.18/x - Step 3: Cross multiply
834,265.94x = 1,151,242.53 × 471,668.18 - Step 4: Simplify right side
834,265.94x = 543,004,468,863.70 - Step 5: Solve for x
x = 543,004,468,863.70/834,265.94 - Step 6: Final answer
x = 650,876.95
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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.