Finding the Fourth Proportional to 841,710.96, 1,161,660.96 and 479,221.92
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Solution
The fourth proportional to 841,710.96, 1,161,660.96 and 479,221.92 is: 661,383.09
Step by Step Solution
- Step 1: Write the proportion equation
841,710.96 : 1,161,660.96 = 479,221.92 : x - Step 2: Convert to fraction form
841,710.96/1,161,660.96 = 479,221.92/x - Step 3: Cross multiply
841,710.96x = 1,161,660.96 × 479,221.92 - Step 4: Simplify right side
841,710.96x = 556,693,395,640.24 - Step 5: Solve for x
x = 556,693,395,640.24/841,710.96 - Step 6: Final answer
x = 661,383.09
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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.