Finding the Fourth Proportional to 741,015.86, 1,022,588.55 and 418,718.99
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Solution
The fourth proportional to 741,015.86, 1,022,588.55 and 418,718.99 is: 577,824.67
Step by Step Solution
- Step 1: Write the proportion equation
741,015.86 : 1,022,588.55 = 418,718.99 : x - Step 2: Convert to fraction form
741,015.86/1,022,588.55 = 418,718.99/x - Step 3: Cross multiply
741,015.86x = 1,022,588.55 × 418,718.99 - Step 4: Simplify right side
741,015.86x = 428,177,239,728.62 - Step 5: Solve for x
x = 428,177,239,728.62/741,015.86 - Step 6: Final answer
x = 577,824.67
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1.5x scale
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.