Finding the Fourth Proportional to 759,026.64, 1,138,408.08 and 285,715.68
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Solution
The fourth proportional to 759,026.64, 1,138,408.08 and 285,715.68 is: 428,523.88
Step by Step Solution
- Step 1: Write the proportion equation
759,026.64 : 1,138,408.08 = 285,715.68 : x - Step 2: Convert to fraction form
759,026.64/1,138,408.08 = 285,715.68/x - Step 3: Cross multiply
759,026.64x = 1,138,408.08 × 285,715.68 - Step 4: Simplify right side
759,026.64x = 325,261,038,694.69 - Step 5: Solve for x
x = 325,261,038,694.69/759,026.64 - Step 6: Final answer
x = 428,523.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.