Finding the Fourth Proportional to 903,902.36, 1,247,969.60 and 560,103.12
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Solution
The fourth proportional to 903,902.36, 1,247,969.60 and 560,103.12 is: 773,304.39
Step by Step Solution
- Step 1: Write the proportion equation
903,902.36 : 1,247,969.60 = 560,103.12 : x - Step 2: Convert to fraction form
903,902.36/1,247,969.60 = 560,103.12/x - Step 3: Cross multiply
903,902.36x = 1,247,969.60 × 560,103.12 - Step 4: Simplify right side
903,902.36x = 698,991,666,625.15 - Step 5: Solve for x
x = 698,991,666,625.15/903,902.36 - Step 6: Final answer
x = 773,304.39
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1.5x scale
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.