Finding the Fourth Proportional to 841,213.97, 1,160,834.78 and 478,603.97
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Solution
The fourth proportional to 841,213.97, 1,160,834.78 and 478,603.97 is: 660,450.44
Step by Step Solution
- Step 1: Write the proportion equation
841,213.97 : 1,160,834.78 = 478,603.97 : x - Step 2: Convert to fraction form
841,213.97/1,160,834.78 = 478,603.97/x - Step 3: Cross multiply
841,213.97x = 1,160,834.78 × 478,603.97 - Step 4: Simplify right side
841,213.97x = 555,580,129,614.41 - Step 5: Solve for x
x = 555,580,129,614.41/841,213.97 - Step 6: Final answer
x = 660,450.44
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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.