Finding the Fourth Proportional to 548,808.68, 823,212.98 and 361,776.44
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Solution
The fourth proportional to 548,808.68, 823,212.98 and 361,776.44 is: 542,664.63
Step by Step Solution
- Step 1: Write the proportion equation
548,808.68 : 823,212.98 = 361,776.44 : x - Step 2: Convert to fraction form
548,808.68/823,212.98 = 361,776.44/x - Step 3: Cross multiply
548,808.68x = 823,212.98 × 361,776.44 - Step 4: Simplify right side
548,808.68x = 297,819,061,266.19 - Step 5: Solve for x
x = 297,819,061,266.19/548,808.68 - Step 6: Final answer
x = 542,664.63
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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.