Finding the Fourth Proportional to 444,800.80, 667,201.20 and 411,995.80
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Solution
The fourth proportional to 444,800.80, 667,201.20 and 411,995.80 is: 617,993.70
Step by Step Solution
- Step 1: Write the proportion equation
444,800.80 : 667,201.20 = 411,995.80 : x - Step 2: Convert to fraction form
444,800.80/667,201.20 = 411,995.80/x - Step 3: Cross multiply
444,800.80x = 667,201.20 × 411,995.80 - Step 4: Simplify right side
444,800.80x = 274,884,092,154.96 - Step 5: Solve for x
x = 274,884,092,154.96/444,800.80 - Step 6: Final answer
x = 617,993.70
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Double scale
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Similar ratio
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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.