Finding the Fourth Proportional to 540,391.58, 745,778.99 and 298,668.95
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Solution
The fourth proportional to 540,391.58, 745,778.99 and 298,668.95 is: 412,184.48
Step by Step Solution
- Step 1: Write the proportion equation
540,391.58 : 745,778.99 = 298,668.95 : x - Step 2: Convert to fraction form
540,391.58/745,778.99 = 298,668.95/x - Step 3: Cross multiply
540,391.58x = 745,778.99 × 298,668.95 - Step 4: Simplify right side
540,391.58x = 222,741,022,653.12 - Step 5: Solve for x
x = 222,741,022,653.12/540,391.58 - Step 6: Final answer
x = 412,184.48
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1.5x scale
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.