Finding the Fourth Proportional to 822,828.84, 1,135,608.84 and 460,272.84
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Solution
The fourth proportional to 822,828.84, 1,135,608.84 and 460,272.84 is: 635,235.28
Step by Step Solution
- Step 1: Write the proportion equation
822,828.84 : 1,135,608.84 = 460,272.84 : x - Step 2: Convert to fraction form
822,828.84/1,135,608.84 = 460,272.84/x - Step 3: Cross multiply
822,828.84x = 1,135,608.84 × 460,272.84 - Step 4: Simplify right side
822,828.84x = 522,689,905,915.91 - Step 5: Solve for x
x = 522,689,905,915.91/822,828.84 - Step 6: Final answer
x = 635,235.28
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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.