Finding the Fourth Proportional to 491,163.20, 734,901.60 and 446,926.40
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Solution
The fourth proportional to 491,163.20, 734,901.60 and 446,926.40 is: 668,712.41
Step by Step Solution
- Step 1: Write the proportion equation
491,163.20 : 734,901.60 = 446,926.40 : x - Step 2: Convert to fraction form
491,163.20/734,901.60 = 446,926.40/x - Step 3: Cross multiply
491,163.20x = 734,901.60 × 446,926.40 - Step 4: Simplify right side
491,163.20x = 328,446,926,442.24 - Step 5: Solve for x
x = 328,446,926,442.24/491,163.20 - Step 6: Final answer
x = 668,712.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.