Finding the Fourth Proportional to 557,409.36, 769,227.12 and 302,764.80
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Solution
The fourth proportional to 557,409.36, 769,227.12 and 302,764.80 is: 417,816.62
Step by Step Solution
- Step 1: Write the proportion equation
557,409.36 : 769,227.12 = 302,764.80 : x - Step 2: Convert to fraction form
557,409.36/769,227.12 = 302,764.80/x - Step 3: Cross multiply
557,409.36x = 769,227.12 × 302,764.80 - Step 4: Simplify right side
557,409.36x = 232,894,895,141.38 - Step 5: Solve for x
x = 232,894,895,141.38/557,409.36 - Step 6: Final answer
x = 417,816.62
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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.