Finding the Fourth Proportional to 617,961.44, 852,322.56 and 414,242.12
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Solution
The fourth proportional to 617,961.44, 852,322.56 and 414,242.12 is: 571,342.94
Step by Step Solution
- Step 1: Write the proportion equation
617,961.44 : 852,322.56 = 414,242.12 : x - Step 2: Convert to fraction form
617,961.44/852,322.56 = 414,242.12/x - Step 3: Cross multiply
617,961.44x = 852,322.56 × 414,242.12 - Step 4: Simplify right side
617,961.44x = 353,067,904,178.23 - Step 5: Solve for x
x = 353,067,904,178.23/617,961.44 - Step 6: Final answer
x = 571,342.94
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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.