Finding the Fourth Proportional to 823,473.64, 1,235,310.09 and 290,885.68
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Solution
The fourth proportional to 823,473.64, 1,235,310.09 and 290,885.68 is: 436,363.71
Step by Step Solution
- Step 1: Write the proportion equation
823,473.64 : 1,235,310.09 = 290,885.68 : x - Step 2: Convert to fraction form
823,473.64/1,235,310.09 = 290,885.68/x - Step 3: Cross multiply
823,473.64x = 1,235,310.09 × 290,885.68 - Step 4: Simplify right side
823,473.64x = 359,334,015,540.51 - Step 5: Solve for x
x = 359,334,015,540.51/823,473.64 - Step 6: Final answer
x = 436,363.71
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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.