Finding the Fourth Proportional to 838,808.22, 1,157,568.66 and 476,224.68
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Solution
The fourth proportional to 838,808.22, 1,157,568.66 and 476,224.68 is: 657,197.62
Step by Step Solution
- Step 1: Write the proportion equation
838,808.22 : 1,157,568.66 = 476,224.68 : x - Step 2: Convert to fraction form
838,808.22/1,157,568.66 = 476,224.68/x - Step 3: Cross multiply
838,808.22x = 1,157,568.66 × 476,224.68 - Step 4: Simplify right side
838,808.22x = 551,262,764,686.53 - Step 5: Solve for x
x = 551,262,764,686.53/838,808.22 - Step 6: Final answer
x = 657,197.62
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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.