Finding the Fourth Proportional to 954,964.26, 1,432,078.20 and 422,192.88
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Solution
The fourth proportional to 954,964.26, 1,432,078.20 and 422,192.88 is: 633,126.54
Step by Step Solution
- Step 1: Write the proportion equation
954,964.26 : 1,432,078.20 = 422,192.88 : x - Step 2: Convert to fraction form
954,964.26/1,432,078.20 = 422,192.88/x - Step 3: Cross multiply
954,964.26x = 1,432,078.20 × 422,192.88 - Step 4: Simplify right side
954,964.26x = 604,613,219,643.22 - Step 5: Solve for x
x = 604,613,219,643.22/954,964.26 - Step 6: Final answer
x = 633,126.54
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1.5x scale
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.