Finding the Fourth Proportional to 571,796.44, 789,079.59 and 317,147.62
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Solution
The fourth proportional to 571,796.44, 789,079.59 and 317,147.62 is: 437,663.99
Step by Step Solution
- Step 1: Write the proportion equation
571,796.44 : 789,079.59 = 317,147.62 : x - Step 2: Convert to fraction form
571,796.44/789,079.59 = 317,147.62/x - Step 3: Cross multiply
571,796.44x = 789,079.59 × 317,147.62 - Step 4: Simplify right side
571,796.44x = 250,254,713,959.08 - Step 5: Solve for x
x = 250,254,713,959.08/571,796.44 - Step 6: Final answer
x = 437,663.99
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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.