Finding the Fourth Proportional to 667,064.72, 919,927.36 and 617,525.12
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Solution
The fourth proportional to 667,064.72, 919,927.36 and 617,525.12 is: 851,608.90
Step by Step Solution
- Step 1: Write the proportion equation
667,064.72 : 919,927.36 = 617,525.12 : x - Step 2: Convert to fraction form
667,064.72/919,927.36 = 617,525.12/x - Step 3: Cross multiply
667,064.72x = 919,927.36 × 617,525.12 - Step 4: Simplify right side
667,064.72x = 568,078,253,375.28 - Step 5: Solve for x
x = 568,078,253,375.28/667,064.72 - Step 6: Final answer
x = 851,608.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.