Finding the Fourth Proportional to 816,569.01, 1,126,883.55 and 449,022.87
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Solution
The fourth proportional to 816,569.01, 1,126,883.55 and 449,022.87 is: 619,661.63
Step by Step Solution
- Step 1: Write the proportion equation
816,569.01 : 1,126,883.55 = 449,022.87 : x - Step 2: Convert to fraction form
816,569.01/1,126,883.55 = 449,022.87/x - Step 3: Cross multiply
816,569.01x = 1,126,883.55 × 449,022.87 - Step 4: Simplify right side
816,569.01x = 505,996,485,776.79 - Step 5: Solve for x
x = 505,996,485,776.79/816,569.01 - Step 6: Final answer
x = 619,661.63
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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.