Finding the Fourth Proportional to 843,729.09, 1,164,348.12 and 461,780.48
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Solution
The fourth proportional to 843,729.09, 1,164,348.12 and 461,780.48 is: 637,258.14
Step by Step Solution
- Step 1: Write the proportion equation
843,729.09 : 1,164,348.12 = 461,780.48 : x - Step 2: Convert to fraction form
843,729.09/1,164,348.12 = 461,780.48/x - Step 3: Cross multiply
843,729.09x = 1,164,348.12 × 461,780.48 - Step 4: Simplify right side
843,729.09x = 537,673,227,918.96 - Step 5: Solve for x
x = 537,673,227,918.96/843,729.09 - Step 6: Final answer
x = 637,258.14
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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.