Finding the Fourth Proportional to 684,961.68, 1,027,421.33 and 325,391.37
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Solution
The fourth proportional to 684,961.68, 1,027,421.33 and 325,391.37 is: 488,076.99
Step by Step Solution
- Step 1: Write the proportion equation
684,961.68 : 1,027,421.33 = 325,391.37 : x - Step 2: Convert to fraction form
684,961.68/1,027,421.33 = 325,391.37/x - Step 3: Cross multiply
684,961.68x = 1,027,421.33 × 325,391.37 - Step 4: Simplify right side
684,961.68x = 334,314,036,229.68 - Step 5: Solve for x
x = 334,314,036,229.68/684,961.68 - Step 6: Final answer
x = 488,076.99
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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.