Finding the Fourth Proportional to 765,046.62, 1,055,749.62 and 420,862.44
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Solution
The fourth proportional to 765,046.62, 1,055,749.62 and 420,862.44 is: 580,782.07
Step by Step Solution
- Step 1: Write the proportion equation
765,046.62 : 1,055,749.62 = 420,862.44 : x - Step 2: Convert to fraction form
765,046.62/1,055,749.62 = 420,862.44/x - Step 3: Cross multiply
765,046.62x = 1,055,749.62 × 420,862.44 - Step 4: Simplify right side
765,046.62x = 444,325,361,102.27 - Step 5: Solve for x
x = 444,325,361,102.27/765,046.62 - Step 6: Final answer
x = 580,782.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.