Finding the Fourth Proportional to 716,814.26, 1,075,220.05 and 211,729.91
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Solution
The fourth proportional to 716,814.26, 1,075,220.05 and 211,729.91 is: 317,594.47
Step by Step Solution
- Step 1: Write the proportion equation
716,814.26 : 1,075,220.05 = 211,729.91 : x - Step 2: Convert to fraction form
716,814.26/1,075,220.05 = 211,729.91/x - Step 3: Cross multiply
716,814.26x = 1,075,220.05 × 211,729.91 - Step 4: Simplify right side
716,814.26x = 227,656,243,358.05 - Step 5: Solve for x
x = 227,656,243,358.05/716,814.26 - Step 6: Final answer
x = 317,594.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.