Finding the Fourth Proportional to 811,892.48, 1,120,383.97 and 449,331.62
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Solution
The fourth proportional to 811,892.48, 1,120,383.97 and 449,331.62 is: 620,062.33
Step by Step Solution
- Step 1: Write the proportion equation
811,892.48 : 1,120,383.97 = 449,331.62 : x - Step 2: Convert to fraction form
811,892.48/1,120,383.97 = 449,331.62/x - Step 3: Cross multiply
811,892.48x = 1,120,383.97 × 449,331.62 - Step 4: Simplify right side
811,892.48x = 503,423,937,536.88 - Step 5: Solve for x
x = 503,423,937,536.88/811,892.48 - Step 6: Final answer
x = 620,062.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.