Finding the Fourth Proportional to 539,361.70, 809,269.35 and 289,752.10
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Solution
The fourth proportional to 539,361.70, 809,269.35 and 289,752.10 is: 434,749.99
Step by Step Solution
- Step 1: Write the proportion equation
539,361.70 : 809,269.35 = 289,752.10 : x - Step 2: Convert to fraction form
539,361.70/809,269.35 = 289,752.10/x - Step 3: Cross multiply
539,361.70x = 809,269.35 × 289,752.10 - Step 4: Simplify right side
539,361.70x = 234,487,493,628.14 - Step 5: Solve for x
x = 234,487,493,628.14/539,361.70 - Step 6: Final answer
x = 434,749.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.