Finding the Fourth Proportional to 670,485.75, 925,270.34 and 368,679.75
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Solution
The fourth proportional to 670,485.75, 925,270.34 and 368,679.75 is: 508,778.06
Step by Step Solution
- Step 1: Write the proportion equation
670,485.75 : 925,270.34 = 368,679.75 : x - Step 2: Convert to fraction form
670,485.75/925,270.34 = 368,679.75/x - Step 3: Cross multiply
670,485.75x = 925,270.34 × 368,679.75 - Step 4: Simplify right side
670,485.75x = 341,128,435,790.22 - Step 5: Solve for x
x = 341,128,435,790.22/670,485.75 - Step 6: Final answer
x = 508,778.06
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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.