Finding the Fourth Proportional to 857,680.68, 1,183,741.02 and 475,830.48
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Solution
The fourth proportional to 857,680.68, 1,183,741.02 and 475,830.48 is: 656,724.67
Step by Step Solution
- Step 1: Write the proportion equation
857,680.68 : 1,183,741.02 = 475,830.48 : x - Step 2: Convert to fraction form
857,680.68/1,183,741.02 = 475,830.48/x - Step 3: Cross multiply
857,680.68x = 1,183,741.02 × 475,830.48 - Step 4: Simplify right side
857,680.68x = 563,260,057,742.29 - Step 5: Solve for x
x = 563,260,057,742.29/857,680.68 - Step 6: Final answer
x = 656,724.67
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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.