Finding the Fourth Proportional to 823,516.20, 1,136,399.58 and 460,878.84
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Solution
The fourth proportional to 823,516.20, 1,136,399.58 and 460,878.84 is: 635,983.26
Step by Step Solution
- Step 1: Write the proportion equation
823,516.20 : 1,136,399.58 = 460,878.84 : x - Step 2: Convert to fraction form
823,516.20/1,136,399.58 = 460,878.84/x - Step 3: Cross multiply
823,516.20x = 1,136,399.58 × 460,878.84 - Step 4: Simplify right side
823,516.20x = 523,742,520,206.89 - Step 5: Solve for x
x = 523,742,520,206.89/823,516.20 - Step 6: Final answer
x = 635,983.26
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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.