Finding the Fourth Proportional to 817,625.62, 1,226,438.77 and 367,821.10
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Solution
The fourth proportional to 817,625.62, 1,226,438.77 and 367,821.10 is: 551,731.80
Step by Step Solution
- Step 1: Write the proportion equation
817,625.62 : 1,226,438.77 = 367,821.10 : x - Step 2: Convert to fraction form
817,625.62/1,226,438.77 = 367,821.10/x - Step 3: Cross multiply
817,625.62x = 1,226,438.77 × 367,821.10 - Step 4: Simplify right side
817,625.62x = 451,110,057,464.05 - Step 5: Solve for x
x = 451,110,057,464.05/817,625.62 - Step 6: Final answer
x = 551,731.80
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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.