Finding the Fourth Proportional to 552,413.23, 762,322.74 and 310,695.74
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Solution
The fourth proportional to 552,413.23, 762,322.74 and 310,695.74 is: 428,755.89
Step by Step Solution
- Step 1: Write the proportion equation
552,413.23 : 762,322.74 = 310,695.74 : x - Step 2: Convert to fraction form
552,413.23/762,322.74 = 310,695.74/x - Step 3: Cross multiply
552,413.23x = 762,322.74 × 310,695.74 - Step 4: Simplify right side
552,413.23x = 236,850,424,011.51 - Step 5: Solve for x
x = 236,850,424,011.51/552,413.23 - Step 6: Final answer
x = 428,755.89
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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.