Finding the Fourth Proportional to 770,485.86, 1,063,212.75 and 430,888.50
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Solution
The fourth proportional to 770,485.86, 1,063,212.75 and 430,888.50 is: 594,593.84
Step by Step Solution
- Step 1: Write the proportion equation
770,485.86 : 1,063,212.75 = 430,888.50 : x - Step 2: Convert to fraction form
770,485.86/1,063,212.75 = 430,888.50/x - Step 3: Cross multiply
770,485.86x = 1,063,212.75 × 430,888.50 - Step 4: Simplify right side
770,485.86x = 458,126,147,028.38 - Step 5: Solve for x
x = 458,126,147,028.38/770,485.86 - Step 6: Final answer
x = 594,593.84
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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.