Finding the Fourth Proportional to 691,021.37, 1,036,679.67 and 241,756.90
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Solution
The fourth proportional to 691,021.37, 1,036,679.67 and 241,756.90 is: 362,686.99
Step by Step Solution
- Step 1: Write the proportion equation
691,021.37 : 1,036,679.67 = 241,756.90 : x - Step 2: Convert to fraction form
691,021.37/1,036,679.67 = 241,756.90/x - Step 3: Cross multiply
691,021.37x = 1,036,679.67 × 241,756.90 - Step 4: Simplify right side
691,021.37x = 250,624,463,312.22 - Step 5: Solve for x
x = 250,624,463,312.22/691,021.37 - Step 6: Final answer
x = 362,686.99
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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.