Finding the Fourth Proportional to 541,992.72, 748,054.56 and 312,698.08
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Solution
The fourth proportional to 541,992.72, 748,054.56 and 312,698.08 is: 431,583.70
Step by Step Solution
- Step 1: Write the proportion equation
541,992.72 : 748,054.56 = 312,698.08 : x - Step 2: Convert to fraction form
541,992.72/748,054.56 = 312,698.08/x - Step 3: Cross multiply
541,992.72x = 748,054.56 × 312,698.08 - Step 4: Simplify right side
541,992.72x = 233,915,224,647.25 - Step 5: Solve for x
x = 233,915,224,647.25/541,992.72 - Step 6: Final answer
x = 431,583.70
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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.