Finding the Fourth Proportional to 823,274.15, 1,135,955.21 and 460,627.65
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Solution
The fourth proportional to 823,274.15, 1,135,955.21 and 460,627.65 is: 635,574.89
Step by Step Solution
- Step 1: Write the proportion equation
823,274.15 : 1,135,955.21 = 460,627.65 : x - Step 2: Convert to fraction form
823,274.15/1,135,955.21 = 460,627.65/x - Step 3: Cross multiply
823,274.15x = 1,135,955.21 × 460,627.65 - Step 4: Simplify right side
823,274.15x = 523,252,376,584.42 - Step 5: Solve for x
x = 523,252,376,584.42/823,274.15 - Step 6: Final answer
x = 635,574.89
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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.