Finding the Fourth Proportional to 632,302.24, 872,564.80 and 345,821.44
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Solution
The fourth proportional to 632,302.24, 872,564.80 and 345,821.44 is: 477,226.86
Step by Step Solution
- Step 1: Write the proportion equation
632,302.24 : 872,564.80 = 345,821.44 : x - Step 2: Convert to fraction form
632,302.24/872,564.80 = 345,821.44/x - Step 3: Cross multiply
632,302.24x = 872,564.80 × 345,821.44 - Step 4: Simplify right side
632,302.24x = 301,751,615,629.31 - Step 5: Solve for x
x = 301,751,615,629.31/632,302.24 - Step 6: Final answer
x = 477,226.86
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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.