Finding the Fourth Proportional to 741,338.91, 1,111,586.52 and 291,816.03
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Solution
The fourth proportional to 741,338.91, 1,111,586.52 and 291,816.03 is: 437,557.99
Step by Step Solution
- Step 1: Write the proportion equation
741,338.91 : 1,111,586.52 = 291,816.03 : x - Step 2: Convert to fraction form
741,338.91/1,111,586.52 = 291,816.03/x - Step 3: Cross multiply
741,338.91x = 1,111,586.52 × 291,816.03 - Step 4: Simplify right side
741,338.91x = 324,378,765,267.92 - Step 5: Solve for x
x = 324,378,765,267.92/741,338.91 - Step 6: Final answer
x = 437,557.99
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1.5x scale
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.