Finding the Fourth Proportional to 632,297.06, 872,558.97 and 345,810.86
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Solution
The fourth proportional to 632,297.06, 872,558.97 and 345,810.86 is: 477,212.99
Step by Step Solution
- Step 1: Write the proportion equation
632,297.06 : 872,558.97 = 345,810.86 : x - Step 2: Convert to fraction form
632,297.06/872,558.97 = 345,810.86/x - Step 3: Cross multiply
632,297.06x = 872,558.97 × 345,810.86 - Step 4: Simplify right side
632,297.06x = 301,740,367,816.41 - Step 5: Solve for x
x = 301,740,367,816.41/632,297.06 - Step 6: Final answer
x = 477,212.99
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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.