Finding the Fourth Proportional to 413,969.52, 620,824.68 and 274,468.08
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Solution
The fourth proportional to 413,969.52, 620,824.68 and 274,468.08 is: 411,616.19
Step by Step Solution
- Step 1: Write the proportion equation
413,969.52 : 620,824.68 = 274,468.08 : x - Step 2: Convert to fraction form
413,969.52/620,824.68 = 274,468.08/x - Step 3: Cross multiply
413,969.52x = 620,824.68 × 274,468.08 - Step 4: Simplify right side
413,969.52x = 170,396,557,936.21 - Step 5: Solve for x
x = 170,396,557,936.21/413,969.52 - Step 6: Final answer
x = 411,616.19
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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.