Finding the Fourth Proportional to 565,011.75, 779,721.94 and 306,893.75
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Solution
The fourth proportional to 565,011.75, 779,721.94 and 306,893.75 is: 423,516.48
Step by Step Solution
- Step 1: Write the proportion equation
565,011.75 : 779,721.94 = 306,893.75 : x - Step 2: Convert to fraction form
565,011.75/779,721.94 = 306,893.75/x - Step 3: Cross multiply
565,011.75x = 779,721.94 × 306,893.75 - Step 4: Simplify right side
565,011.75x = 239,291,786,608.88 - Step 5: Solve for x
x = 239,291,786,608.88/565,011.75 - Step 6: Final answer
x = 423,516.48
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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.