Finding the Fourth Proportional to 922,916.46, 1,273,624.97 and 509,453.49
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Solution
The fourth proportional to 922,916.46, 1,273,624.97 and 509,453.49 is: 703,045.95
Step by Step Solution
- Step 1: Write the proportion equation
922,916.46 : 1,273,624.97 = 509,453.49 : x - Step 2: Convert to fraction form
922,916.46/1,273,624.97 = 509,453.49/x - Step 3: Cross multiply
922,916.46x = 1,273,624.97 × 509,453.49 - Step 4: Simplify right side
922,916.46x = 648,852,683,370.38 - Step 5: Solve for x
x = 648,852,683,370.38/922,916.46 - Step 6: Final answer
x = 703,045.95
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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.