Finding the Fourth Proportional to 857,534.40, 1,183,338.72 and 475,525.44
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Solution
The fourth proportional to 857,534.40, 1,183,338.72 and 475,525.44 is: 656,192.53
Step by Step Solution
- Step 1: Write the proportion equation
857,534.40 : 1,183,338.72 = 475,525.44 : x - Step 2: Convert to fraction form
857,534.40/1,183,338.72 = 475,525.44/x - Step 3: Cross multiply
857,534.40x = 1,183,338.72 × 475,525.44 - Step 4: Simplify right side
857,534.40x = 562,707,665,497.04 - Step 5: Solve for x
x = 562,707,665,497.04/857,534.40 - Step 6: Final answer
x = 656,192.53
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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.