Finding the Fourth Proportional to 922,804.20, 1,273,229.28 and 540,625.68
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Solution
The fourth proportional to 922,804.20, 1,273,229.28 and 540,625.68 is: 745,922.53
Step by Step Solution
- Step 1: Write the proportion equation
922,804.20 : 1,273,229.28 = 540,625.68 : x - Step 2: Convert to fraction form
922,804.20/1,273,229.28 = 540,625.68/x - Step 3: Cross multiply
922,804.20x = 1,273,229.28 × 540,625.68 - Step 4: Simplify right side
922,804.20x = 688,340,445,295.91 - Step 5: Solve for x
x = 688,340,445,295.91/922,804.20 - Step 6: Final answer
x = 745,922.53
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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.