Finding the Fourth Proportional to 782,852.87, 1,080,318.63 and 460,583.69
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Solution
The fourth proportional to 782,852.87, 1,080,318.63 and 460,583.69 is: 635,594.70
Step by Step Solution
- Step 1: Write the proportion equation
782,852.87 : 1,080,318.63 = 460,583.69 : x - Step 2: Convert to fraction form
782,852.87/1,080,318.63 = 460,583.69/x - Step 3: Cross multiply
782,852.87x = 1,080,318.63 × 460,583.69 - Step 4: Simplify right side
782,852.87x = 497,577,137,903.56 - Step 5: Solve for x
x = 497,577,137,903.56/782,852.87 - Step 6: Final answer
x = 635,594.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.