Finding the Fourth Proportional to 950,342.76, 1,311,506.37 and 520,622.84
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Solution
The fourth proportional to 950,342.76, 1,311,506.37 and 520,622.84 is: 718,477.80
Step by Step Solution
- Step 1: Write the proportion equation
950,342.76 : 1,311,506.37 = 520,622.84 : x - Step 2: Convert to fraction form
950,342.76/1,311,506.37 = 520,622.84/x - Step 3: Cross multiply
950,342.76x = 1,311,506.37 × 520,622.84 - Step 4: Simplify right side
950,342.76x = 682,800,174,306.26 - Step 5: Solve for x
x = 682,800,174,306.26/950,342.76 - Step 6: Final answer
x = 718,477.80
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1.5x scale
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.