Finding the Fourth Proportional to 950,313.18, 1,311,433.77 and 520,583.94
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Solution
The fourth proportional to 950,313.18, 1,311,433.77 and 520,583.94 is: 718,406.70
Step by Step Solution
- Step 1: Write the proportion equation
950,313.18 : 1,311,433.77 = 520,583.94 : x - Step 2: Convert to fraction form
950,313.18/1,311,433.77 = 520,583.94/x - Step 3: Cross multiply
950,313.18x = 1,311,433.77 × 520,583.94 - Step 4: Simplify right side
950,313.18x = 682,711,359,035.65 - Step 5: Solve for x
x = 682,711,359,035.65/950,313.18 - Step 6: Final answer
x = 718,406.70
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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.