Finding the Fourth Proportional to 667,058.70, 919,919.07 and 617,519.10
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Solution
The fourth proportional to 667,058.70, 919,919.07 and 617,519.10 is: 851,600.61
Step by Step Solution
- Step 1: Write the proportion equation
667,058.70 : 919,919.07 = 617,519.10 : x - Step 2: Convert to fraction form
667,058.70/919,919.07 = 617,519.10/x - Step 3: Cross multiply
667,058.70x = 919,919.07 × 617,519.10 - Step 4: Simplify right side
667,058.70x = 568,067,596,179.24 - Step 5: Solve for x
x = 568,067,596,179.24/667,058.70 - Step 6: Final answer
x = 851,600.61
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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.