Finding the Fourth Proportional to 567,284.56, 782,842.10 and 309,163.62
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Solution
The fourth proportional to 567,284.56, 782,842.10 and 309,163.62 is: 426,640.02
Step by Step Solution
- Step 1: Write the proportion equation
567,284.56 : 782,842.10 = 309,163.62 : x - Step 2: Convert to fraction form
567,284.56/782,842.10 = 309,163.62/x - Step 3: Cross multiply
567,284.56x = 782,842.10 × 309,163.62 - Step 4: Simplify right side
567,284.56x = 242,026,297,524.40 - Step 5: Solve for x
x = 242,026,297,524.40/567,284.56 - Step 6: Final answer
x = 426,640.02
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1.5x scale
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.