Finding the Fourth Proportional to 892,884.05, 1,232,189.24 and 484,993.82
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Solution
The fourth proportional to 892,884.05, 1,232,189.24 and 484,993.82 is: 669,296.49
Step by Step Solution
- Step 1: Write the proportion equation
892,884.05 : 1,232,189.24 = 484,993.82 : x - Step 2: Convert to fraction form
892,884.05/1,232,189.24 = 484,993.82/x - Step 3: Cross multiply
892,884.05x = 1,232,189.24 × 484,993.82 - Step 4: Simplify right side
892,884.05x = 597,604,157,884.58 - Step 5: Solve for x
x = 597,604,157,884.58/892,884.05 - Step 6: Final answer
x = 669,296.49
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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.