Finding the Fourth Proportional to 577,279.87, 796,647.38 and 322,631.05
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Solution
The fourth proportional to 577,279.87, 796,647.38 and 322,631.05 is: 445,231.50
Step by Step Solution
- Step 1: Write the proportion equation
577,279.87 : 796,647.38 = 322,631.05 : x - Step 2: Convert to fraction form
577,279.87/796,647.38 = 322,631.05/x - Step 3: Cross multiply
577,279.87x = 796,647.38 × 322,631.05 - Step 4: Simplify right side
577,279.87x = 257,023,180,689.15 - Step 5: Solve for x
x = 257,023,180,689.15/577,279.87 - Step 6: Final answer
x = 445,231.50
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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.