Finding the Fourth Proportional to 924,729.19, 1,387,093.79 and 259,881.19
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Solution
The fourth proportional to 924,729.19, 1,387,093.79 and 259,881.19 is: 389,821.78
Step by Step Solution
- Step 1: Write the proportion equation
924,729.19 : 1,387,093.79 = 259,881.19 : x - Step 2: Convert to fraction form
924,729.19/1,387,093.79 = 259,881.19/x - Step 3: Cross multiply
924,729.19x = 1,387,093.79 × 259,881.19 - Step 4: Simplify right side
924,729.19x = 360,479,581,968.78 - Step 5: Solve for x
x = 360,479,581,968.78/924,729.19 - Step 6: Final answer
x = 389,821.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.