Finding the Fourth Proportional to 613,076.09, 919,603.39 and 275,878.09
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Solution
The fourth proportional to 613,076.09, 919,603.39 and 275,878.09 is: 413,812.30
Step by Step Solution
- Step 1: Write the proportion equation
613,076.09 : 919,603.39 = 275,878.09 : x - Step 2: Convert to fraction form
613,076.09/919,603.39 = 275,878.09/x - Step 3: Cross multiply
613,076.09x = 919,603.39 × 275,878.09 - Step 4: Simplify right side
613,076.09x = 253,698,426,790.73 - Step 5: Solve for x
x = 253,698,426,790.73/613,076.09 - Step 6: Final answer
x = 413,812.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.