Finding the Fourth Proportional to 564,232.97, 778,655.83 and 309,584.09
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Solution
The fourth proportional to 564,232.97, 778,655.83 and 309,584.09 is: 427,233.91
Step by Step Solution
- Step 1: Write the proportion equation
564,232.97 : 778,655.83 = 309,584.09 : x - Step 2: Convert to fraction form
564,232.97/778,655.83 = 309,584.09/x - Step 3: Cross multiply
564,232.97x = 778,655.83 × 309,584.09 - Step 4: Simplify right side
564,232.97x = 241,059,456,553.75 - Step 5: Solve for x
x = 241,059,456,553.75/564,232.97 - Step 6: Final answer
x = 427,233.91
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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.