Finding the Fourth Proportional to 485,057.80, 727,586.70 and 366,959.80
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Solution
The fourth proportional to 485,057.80, 727,586.70 and 366,959.80 is: 550,439.70
Step by Step Solution
- Step 1: Write the proportion equation
485,057.80 : 727,586.70 = 366,959.80 : x - Step 2: Convert to fraction form
485,057.80/727,586.70 = 366,959.80/x - Step 3: Cross multiply
485,057.80x = 727,586.70 × 366,959.80 - Step 4: Simplify right side
485,057.80x = 266,995,069,914.66 - Step 5: Solve for x
x = 266,995,069,914.66/485,057.80 - Step 6: Final answer
x = 550,439.70
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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.