Finding the Fourth Proportional to 485,059.80, 727,589.70 and 366,961.80
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Solution
The fourth proportional to 485,059.80, 727,589.70 and 366,961.80 is: 550,442.70
Step by Step Solution
- Step 1: Write the proportion equation
485,059.80 : 727,589.70 = 366,961.80 : x - Step 2: Convert to fraction form
485,059.80/727,589.70 = 366,961.80/x - Step 3: Cross multiply
485,059.80x = 727,589.70 × 366,961.80 - Step 4: Simplify right side
485,059.80x = 266,997,625,973.46 - Step 5: Solve for x
x = 266,997,625,973.46/485,059.80 - Step 6: Final answer
x = 550,442.70
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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.