Finding the Fourth Proportional to 520,566.96, 718,377.36 and 291,121.68
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Solution
The fourth proportional to 520,566.96, 718,377.36 and 291,121.68 is: 401,745.10
Step by Step Solution
- Step 1: Write the proportion equation
520,566.96 : 718,377.36 = 291,121.68 : x - Step 2: Convert to fraction form
520,566.96/718,377.36 = 291,121.68/x - Step 3: Cross multiply
520,566.96x = 718,377.36 × 291,121.68 - Step 4: Simplify right side
520,566.96x = 209,135,223,917.17 - Step 5: Solve for x
x = 209,135,223,917.17/520,566.96 - Step 6: Final answer
x = 401,745.10
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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.