Finding the Fourth Proportional to 557,429.65, 769,572.11 and 366,996.63
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Solution
The fourth proportional to 557,429.65, 769,572.11 and 366,996.63 is: 506,665.50
Step by Step Solution
- Step 1: Write the proportion equation
557,429.65 : 769,572.11 = 366,996.63 : x - Step 2: Convert to fraction form
557,429.65/769,572.11 = 366,996.63/x - Step 3: Cross multiply
557,429.65x = 769,572.11 × 366,996.63 - Step 4: Simplify right side
557,429.65x = 282,430,370,911.99 - Step 5: Solve for x
x = 282,430,370,911.99/557,429.65 - Step 6: Final answer
x = 506,665.50
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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.