Finding the Fourth Proportional to 622,322.99, 931,895.90 and 496,147.26
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Solution
The fourth proportional to 622,322.99, 931,895.90 and 496,147.26 is: 742,954.39
Step by Step Solution
- Step 1: Write the proportion equation
622,322.99 : 931,895.90 = 496,147.26 : x - Step 2: Convert to fraction form
622,322.99/931,895.90 = 496,147.26/x - Step 3: Cross multiply
622,322.99x = 931,895.90 × 496,147.26 - Step 4: Simplify right side
622,322.99x = 462,357,597,390.23 - Step 5: Solve for x
x = 462,357,597,390.23/622,322.99 - Step 6: Final answer
x = 742,954.39
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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.