Finding the Fourth Proportional to 922,413.20, 1,272,736.68 and 560,027.84
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Solution
The fourth proportional to 922,413.20, 1,272,736.68 and 560,027.84 is: 772,720.92
Step by Step Solution
- Step 1: Write the proportion equation
922,413.20 : 1,272,736.68 = 560,027.84 : x - Step 2: Convert to fraction form
922,413.20/1,272,736.68 = 560,027.84/x - Step 3: Cross multiply
922,413.20x = 1,272,736.68 × 560,027.84 - Step 4: Simplify right side
922,413.20x = 712,767,973,789.17 - Step 5: Solve for x
x = 712,767,973,789.17/922,413.20 - Step 6: Final answer
x = 772,720.92
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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.