Finding the Fourth Proportional to 636,647.14, 878,589.67 and 350,174.74
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Solution
The fourth proportional to 636,647.14, 878,589.67 and 350,174.74 is: 483,250.28
Step by Step Solution
- Step 1: Write the proportion equation
636,647.14 : 878,589.67 = 350,174.74 : x - Step 2: Convert to fraction form
636,647.14/878,589.67 = 350,174.74/x - Step 3: Cross multiply
636,647.14x = 878,589.67 × 350,174.74 - Step 4: Simplify right side
636,647.14x = 307,659,909,258.94 - Step 5: Solve for x
x = 307,659,909,258.94/636,647.14 - Step 6: Final answer
x = 483,250.28
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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.