Finding the Fourth Proportional to 611,389.44, 843,712.74 and 335,744.28
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Solution
The fourth proportional to 611,389.44, 843,712.74 and 335,744.28 is: 463,324.53
Step by Step Solution
- Step 1: Write the proportion equation
611,389.44 : 843,712.74 = 335,744.28 : x - Step 2: Convert to fraction form
611,389.44/843,712.74 = 335,744.28/x - Step 3: Cross multiply
611,389.44x = 843,712.74 × 335,744.28 - Step 4: Simplify right side
611,389.44x = 283,271,726,418.13 - Step 5: Solve for x
x = 283,271,726,418.13/611,389.44 - Step 6: Final answer
x = 463,324.53
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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.