Finding the Fourth Proportional to 870,883.76, 1,306,408.26 and 338,445.92
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Solution
The fourth proportional to 870,883.76, 1,306,408.26 and 338,445.92 is: 507,700.99
Step by Step Solution
- Step 1: Write the proportion equation
870,883.76 : 1,306,408.26 = 338,445.92 : x - Step 2: Convert to fraction form
870,883.76/1,306,408.26 = 338,445.92/x - Step 3: Cross multiply
870,883.76x = 1,306,408.26 × 338,445.92 - Step 4: Simplify right side
870,883.76x = 442,148,545,451.30 - Step 5: Solve for x
x = 442,148,545,451.30/870,883.76 - Step 6: Final answer
x = 507,700.99
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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.