Finding the Fourth Proportional to 665,073.60, 917,791.20 and 363,261.12
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Solution
The fourth proportional to 665,073.60, 917,791.20 and 363,261.12 is: 501,294.68
Step by Step Solution
- Step 1: Write the proportion equation
665,073.60 : 917,791.20 = 363,261.12 : x - Step 2: Convert to fraction form
665,073.60/917,791.20 = 363,261.12/x - Step 3: Cross multiply
665,073.60x = 917,791.20 × 363,261.12 - Step 4: Simplify right side
665,073.60x = 333,397,859,238.14 - Step 5: Solve for x
x = 333,397,859,238.14/665,073.60 - Step 6: Final answer
x = 501,294.68
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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.