Finding the Fourth Proportional to 822,956.82, 1,135,682.09 and 460,386.74
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Solution
The fourth proportional to 822,956.82, 1,135,682.09 and 460,386.74 is: 635,334.64
Step by Step Solution
- Step 1: Write the proportion equation
822,956.82 : 1,135,682.09 = 460,386.74 : x - Step 2: Convert to fraction form
822,956.82/1,135,682.09 = 460,386.74/x - Step 3: Cross multiply
822,956.82x = 1,135,682.09 × 460,386.74 - Step 4: Simplify right side
822,956.82x = 522,852,979,081.66 - Step 5: Solve for x
x = 522,852,979,081.66/822,956.82 - Step 6: Final answer
x = 635,334.64
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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.