Finding the Fourth Proportional to 571,828.14, 789,102.68 and 317,203.02
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Solution
The fourth proportional to 571,828.14, 789,102.68 and 317,203.02 is: 437,728.99
Step by Step Solution
- Step 1: Write the proportion equation
571,828.14 : 789,102.68 = 317,203.02 : x - Step 2: Convert to fraction form
571,828.14/789,102.68 = 317,203.02/x - Step 3: Cross multiply
571,828.14x = 789,102.68 × 317,203.02 - Step 4: Simplify right side
571,828.14x = 250,305,751,600.08 - Step 5: Solve for x
x = 250,305,751,600.08/571,828.14 - Step 6: Final answer
x = 437,728.99
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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.