Finding the Fourth Proportional to 741,531.98, 1,023,322.19 and 435,621.24
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Solution
The fourth proportional to 741,531.98, 1,023,322.19 and 435,621.24 is: 601,162.04
Step by Step Solution
- Step 1: Write the proportion equation
741,531.98 : 1,023,322.19 = 435,621.24 : x - Step 2: Convert to fraction form
741,531.98/1,023,322.19 = 435,621.24/x - Step 3: Cross multiply
741,531.98x = 1,023,322.19 × 435,621.24 - Step 4: Simplify right side
741,531.98x = 445,780,879,149.21 - Step 5: Solve for x
x = 445,780,879,149.21/741,531.98 - Step 6: Final answer
x = 601,162.04
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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.