Finding the Fourth Proportional to 557,415.10, 769,355.58 and 366,446.26
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Solution
The fourth proportional to 557,415.10, 769,355.58 and 366,446.26 is: 505,776.53
Step by Step Solution
- Step 1: Write the proportion equation
557,415.10 : 769,355.58 = 366,446.26 : x - Step 2: Convert to fraction form
557,415.10/769,355.58 = 366,446.26/x - Step 3: Cross multiply
557,415.10x = 769,355.58 × 366,446.26 - Step 4: Simplify right side
557,415.10x = 281,927,474,901.13 - Step 5: Solve for x
x = 281,927,474,901.13/557,415.10 - Step 6: Final answer
x = 505,776.53
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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.