Finding the Fourth Proportional to 564,194.75, 778,641.46 and 322,430.09
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Solution
The fourth proportional to 564,194.75, 778,641.46 and 322,430.09 is: 444,983.64
Step by Step Solution
- Step 1: Write the proportion equation
564,194.75 : 778,641.46 = 322,430.09 : x - Step 2: Convert to fraction form
564,194.75/778,641.46 = 322,430.09/x - Step 3: Cross multiply
564,194.75x = 778,641.46 × 322,430.09 - Step 4: Simplify right side
564,194.75x = 251,057,431,326.25 - Step 5: Solve for x
x = 251,057,431,326.25/564,194.75 - Step 6: Final answer
x = 444,983.64
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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.