Finding the Fourth Proportional to 845,601.12, 1,166,921.24 and 463,626.99
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Solution
The fourth proportional to 845,601.12, 1,166,921.24 and 463,626.99 is: 639,800.69
Step by Step Solution
- Step 1: Write the proportion equation
845,601.12 : 1,166,921.24 = 463,626.99 : x - Step 2: Convert to fraction form
845,601.12/1,166,921.24 = 463,626.99/x - Step 3: Cross multiply
845,601.12x = 1,166,921.24 × 463,626.99 - Step 4: Simplify right side
845,601.12x = 541,016,179,750.13 - Step 5: Solve for x
x = 541,016,179,750.13/845,601.12 - Step 6: Final answer
x = 639,800.69
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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.