Finding the Fourth Proportional to 741,426.99, 1,023,213.36 and 419,167.07
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Solution
The fourth proportional to 741,426.99, 1,023,213.36 and 419,167.07 is: 578,475.50
Step by Step Solution
- Step 1: Write the proportion equation
741,426.99 : 1,023,213.36 = 419,167.07 : x - Step 2: Convert to fraction form
741,426.99/1,023,213.36 = 419,167.07/x - Step 3: Cross multiply
741,426.99x = 1,023,213.36 × 419,167.07 - Step 4: Simplify right side
741,426.99x = 428,897,346,388.92 - Step 5: Solve for x
x = 428,897,346,388.92/741,426.99 - Step 6: Final answer
x = 578,475.50
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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.