Finding the Fourth Proportional to 548,807.92, 823,211.88 and 361,775.68
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Solution
The fourth proportional to 548,807.92, 823,211.88 and 361,775.68 is: 542,663.52
Step by Step Solution
- Step 1: Write the proportion equation
548,807.92 : 823,211.88 = 361,775.68 : x - Step 2: Convert to fraction form
548,807.92/823,211.88 = 361,775.68/x - Step 3: Cross multiply
548,807.92x = 823,211.88 × 361,775.68 - Step 4: Simplify right side
548,807.92x = 297,818,037,671.08 - Step 5: Solve for x
x = 297,818,037,671.08/548,807.92 - Step 6: Final answer
x = 542,663.52
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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.