Finding the Fourth Proportional to 922,270.75, 1,272,733.64 and 498,334.75
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Solution
The fourth proportional to 922,270.75, 1,272,733.64 and 498,334.75 is: 687,701.96
Step by Step Solution
- Step 1: Write the proportion equation
922,270.75 : 1,272,733.64 = 498,334.75 : x - Step 2: Convert to fraction form
922,270.75/1,272,733.64 = 498,334.75/x - Step 3: Cross multiply
922,270.75x = 1,272,733.64 × 498,334.75 - Step 4: Simplify right side
922,270.75x = 634,247,400,305.99 - Step 5: Solve for x
x = 634,247,400,305.99/922,270.75 - Step 6: Final answer
x = 687,701.96
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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.