Finding the Fourth Proportional to 979,467.18, 1,351,674.72 and 549,738.69
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Solution
The fourth proportional to 979,467.18, 1,351,674.72 and 549,738.69 is: 758,645.01
Step by Step Solution
- Step 1: Write the proportion equation
979,467.18 : 1,351,674.72 = 549,738.69 : x - Step 2: Convert to fraction form
979,467.18/1,351,674.72 = 549,738.69/x - Step 3: Cross multiply
979,467.18x = 1,351,674.72 × 549,738.69 - Step 4: Simplify right side
979,467.18x = 743,067,889,878.92 - Step 5: Solve for x
x = 743,067,889,878.92/979,467.18 - Step 6: Final answer
x = 758,645.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.