Finding the Fourth Proportional to 798,493.92, 1,101,921.84 and 440,797.92
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Solution
The fourth proportional to 798,493.92, 1,101,921.84 and 440,797.92 is: 608,301.26
Step by Step Solution
- Step 1: Write the proportion equation
798,493.92 : 1,101,921.84 = 440,797.92 : x - Step 2: Convert to fraction form
798,493.92/1,101,921.84 = 440,797.92/x - Step 3: Cross multiply
798,493.92x = 1,101,921.84 × 440,797.92 - Step 4: Simplify right side
798,493.92x = 485,724,855,074.57 - Step 5: Solve for x
x = 485,724,855,074.57/798,493.92 - Step 6: Final answer
x = 608,301.26
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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.