Finding the Fourth Proportional to 572,270.84, 789,770.64 and 317,622.08
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Solution
The fourth proportional to 572,270.84, 789,770.64 and 317,622.08 is: 438,338.94
Step by Step Solution
- Step 1: Write the proportion equation
572,270.84 : 789,770.64 = 317,622.08 : x - Step 2: Convert to fraction form
572,270.84/789,770.64 = 317,622.08/x - Step 3: Cross multiply
572,270.84x = 789,770.64 × 317,622.08 - Step 4: Simplify right side
572,270.84x = 250,848,593,399.73 - Step 5: Solve for x
x = 250,848,593,399.73/572,270.84 - Step 6: Final answer
x = 438,338.94
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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.