Finding the Fourth Proportional to 840,627.48, 1,261,310.88 and 441,174.66
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Solution
The fourth proportional to 840,627.48, 1,261,310.88 and 441,174.66 is: 661,955.99
Step by Step Solution
- Step 1: Write the proportion equation
840,627.48 : 1,261,310.88 = 441,174.66 : x - Step 2: Convert to fraction form
840,627.48/1,261,310.88 = 441,174.66/x - Step 3: Cross multiply
840,627.48x = 1,261,310.88 × 441,174.66 - Step 4: Simplify right side
840,627.48x = 556,458,398,638.30 - Step 5: Solve for x
x = 556,458,398,638.30/840,627.48 - Step 6: Final answer
x = 661,955.99
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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.