Finding the Fourth Proportional to 505,395.49, 697,440.41 and 275,952.05
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Solution
The fourth proportional to 505,395.49, 697,440.41 and 275,952.05 is: 380,810.90
Step by Step Solution
- Step 1: Write the proportion equation
505,395.49 : 697,440.41 = 275,952.05 : x - Step 2: Convert to fraction form
505,395.49/697,440.41 = 275,952.05/x - Step 3: Cross multiply
505,395.49x = 697,440.41 × 275,952.05 - Step 4: Simplify right side
505,395.49x = 192,460,110,892.34 - Step 5: Solve for x
x = 192,460,110,892.34/505,395.49 - Step 6: Final answer
x = 380,810.90
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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.