Finding the Fourth Proportional to 761,626.56, 1,051,044.67 and 422,116.68
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Solution
The fourth proportional to 761,626.56, 1,051,044.67 and 422,116.68 is: 582,521.03
Step by Step Solution
- Step 1: Write the proportion equation
761,626.56 : 1,051,044.67 = 422,116.68 : x - Step 2: Convert to fraction form
761,626.56/1,051,044.67 = 422,116.68/x - Step 3: Cross multiply
761,626.56x = 1,051,044.67 × 422,116.68 - Step 4: Simplify right side
761,626.56x = 443,663,486,632.10 - Step 5: Solve for x
x = 443,663,486,632.10/761,626.56 - Step 6: Final answer
x = 582,521.03
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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.