Finding the Fourth Proportional to 636,955.37, 879,004.55 and 350,481.60
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Solution
The fourth proportional to 636,955.37, 879,004.55 and 350,481.60 is: 483,667.99
Step by Step Solution
- Step 1: Write the proportion equation
636,955.37 : 879,004.55 = 350,481.60 : x - Step 2: Convert to fraction form
636,955.37/879,004.55 = 350,481.60/x - Step 3: Cross multiply
636,955.37x = 879,004.55 × 350,481.60 - Step 4: Simplify right side
636,955.37x = 308,074,919,338.87 - Step 5: Solve for x
x = 308,074,919,338.87/636,955.37 - Step 6: Final answer
x = 483,667.99
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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.