Finding the Fourth Proportional to 755,604.36, 1,042,729.20 and 416,070
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Solution
The fourth proportional to 755,604.36, 1,042,729.20 and 416,070 is: 574,173.95
Step by Step Solution
- Step 1: Write the proportion equation
755,604.36 : 1,042,729.20 = 416,070 : x - Step 2: Convert to fraction form
755,604.36/1,042,729.20 = 416,070/x - Step 3: Cross multiply
755,604.36x = 1,042,729.20 × 416,070 - Step 4: Simplify right side
755,604.36x = 433,848,338,244 - Step 5: Solve for x
x = 433,848,338,244/755,604.36 - Step 6: Final answer
x = 574,173.95
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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.