Finding the Fourth Proportional to 950,153.88, 1,311,231.24 and 520,434.12
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Solution
The fourth proportional to 950,153.88, 1,311,231.24 and 520,434.12 is: 718,209.43
Step by Step Solution
- Step 1: Write the proportion equation
950,153.88 : 1,311,231.24 = 520,434.12 : x - Step 2: Convert to fraction form
950,153.88/1,311,231.24 = 520,434.12/x - Step 3: Cross multiply
950,153.88x = 1,311,231.24 × 520,434.12 - Step 4: Simplify right side
950,153.88x = 682,409,476,505.91 - Step 5: Solve for x
x = 682,409,476,505.91/950,153.88 - Step 6: Final answer
x = 718,209.43
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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.