Finding the Fourth Proportional to 813,629.99, 1,122,809.36 and 451,052.93
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Solution
The fourth proportional to 813,629.99, 1,122,809.36 and 451,052.93 is: 622,453.02
Step by Step Solution
- Step 1: Write the proportion equation
813,629.99 : 1,122,809.36 = 451,052.93 : x - Step 2: Convert to fraction form
813,629.99/1,122,809.36 = 451,052.93/x - Step 3: Cross multiply
813,629.99x = 1,122,809.36 × 451,052.93 - Step 4: Simplify right side
813,629.99x = 506,446,443,790.11 - Step 5: Solve for x
x = 506,446,443,790.11/813,629.99 - Step 6: Final answer
x = 622,453.02
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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.