Finding the Fourth Proportional to 809,416.32, 1,117,987.98 and 606,375.24
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Solution
The fourth proportional to 809,416.32, 1,117,987.98 and 606,375.24 is: 837,542.08
Step by Step Solution
- Step 1: Write the proportion equation
809,416.32 : 1,117,987.98 = 606,375.24 : x - Step 2: Convert to fraction form
809,416.32/1,117,987.98 = 606,375.24/x - Step 3: Cross multiply
809,416.32x = 1,117,987.98 × 606,375.24 - Step 4: Simplify right side
809,416.32x = 677,920,229,689.62 - Step 5: Solve for x
x = 677,920,229,689.62/809,416.32 - Step 6: Final answer
x = 837,542.08
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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.