Finding the Fourth Proportional to 705,888.12, 973,455.12 and 464,375.28
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Solution
The fourth proportional to 705,888.12, 973,455.12 and 464,375.28 is: 640,396.80
Step by Step Solution
- Step 1: Write the proportion equation
705,888.12 : 973,455.12 = 464,375.28 : x - Step 2: Convert to fraction form
705,888.12/973,455.12 = 464,375.28/x - Step 3: Cross multiply
705,888.12x = 973,455.12 × 464,375.28 - Step 4: Simplify right side
705,888.12x = 452,048,493,917.43 - Step 5: Solve for x
x = 452,048,493,917.43/705,888.12 - Step 6: Final answer
x = 640,396.80
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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.