Finding the Fourth Proportional to 860,376.62, 1,289,402.36 and 327,607.02
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Solution
The fourth proportional to 860,376.62, 1,289,402.36 and 327,607.02 is: 490,967.85
Step by Step Solution
- Step 1: Write the proportion equation
860,376.62 : 1,289,402.36 = 327,607.02 : x - Step 2: Convert to fraction form
860,376.62/1,289,402.36 = 327,607.02/x - Step 3: Cross multiply
860,376.62x = 1,289,402.36 × 327,607.02 - Step 4: Simplify right side
860,376.62x = 422,417,259,112.57 - Step 5: Solve for x
x = 422,417,259,112.57/860,376.62 - Step 6: Final answer
x = 490,967.85
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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.