Finding the Fourth Proportional to 950,132.84, 1,311,183.65 and 520,420.14
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Solution
The fourth proportional to 950,132.84, 1,311,183.65 and 520,420.14 is: 718,179.98
Step by Step Solution
- Step 1: Write the proportion equation
950,132.84 : 1,311,183.65 = 520,420.14 : x - Step 2: Convert to fraction form
950,132.84/1,311,183.65 = 520,420.14/x - Step 3: Cross multiply
950,132.84x = 1,311,183.65 × 520,420.14 - Step 4: Simplify right side
950,132.84x = 682,366,379,999.76 - Step 5: Solve for x
x = 682,366,379,999.76/950,132.84 - Step 6: Final answer
x = 718,179.98
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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.