Finding the Fourth Proportional to 782,847.68, 1,080,311.50 and 460,578.53
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Solution
The fourth proportional to 782,847.68, 1,080,311.50 and 460,578.53 is: 635,587.60
Step by Step Solution
- Step 1: Write the proportion equation
782,847.68 : 1,080,311.50 = 460,578.53 : x - Step 2: Convert to fraction form
782,847.68/1,080,311.50 = 460,578.53/x - Step 3: Cross multiply
782,847.68x = 1,080,311.50 × 460,578.53 - Step 4: Simplify right side
782,847.68x = 497,568,276,059.09 - Step 5: Solve for x
x = 497,568,276,059.09/782,847.68 - Step 6: Final answer
x = 635,587.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.