Finding the Fourth Proportional to 841,614.17, 1,161,434.97 and 479,061.36
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Solution
The fourth proportional to 841,614.17, 1,161,434.97 and 479,061.36 is: 661,108.91
Step by Step Solution
- Step 1: Write the proportion equation
841,614.17 : 1,161,434.97 = 479,061.36 : x - Step 2: Convert to fraction form
841,614.17/1,161,434.97 = 479,061.36/x - Step 3: Cross multiply
841,614.17x = 1,161,434.97 × 479,061.36 - Step 4: Simplify right side
841,614.17x = 556,398,620,635.14 - Step 5: Solve for x
x = 556,398,620,635.14/841,614.17 - Step 6: Final answer
x = 661,108.91
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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.