Finding the Fourth Proportional to 841,709.28, 1,262,741.25 and 273,045.99
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Solution
The fourth proportional to 841,709.28, 1,262,741.25 and 273,045.99 is: 409,626.51
Step by Step Solution
- Step 1: Write the proportion equation
841,709.28 : 1,262,741.25 = 273,045.99 : x - Step 2: Convert to fraction form
841,709.28/1,262,741.25 = 273,045.99/x - Step 3: Cross multiply
841,709.28x = 1,262,741.25 × 273,045.99 - Step 4: Simplify right side
841,709.28x = 344,786,434,720.09 - Step 5: Solve for x
x = 344,786,434,720.09/841,709.28 - Step 6: Final answer
x = 409,626.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.