Finding the Fourth Proportional to 702,129.48, 968,936.51 and 379,839.49
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Solution
The fourth proportional to 702,129.48, 968,936.51 and 379,839.49 is: 524,177.32
Step by Step Solution
- Step 1: Write the proportion equation
702,129.48 : 968,936.51 = 379,839.49 : x - Step 2: Convert to fraction form
702,129.48/968,936.51 = 379,839.49/x - Step 3: Cross multiply
702,129.48x = 968,936.51 × 379,839.49 - Step 4: Simplify right side
702,129.48x = 368,040,348,328.04 - Step 5: Solve for x
x = 368,040,348,328.04/702,129.48 - Step 6: Final answer
x = 524,177.32
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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.