Finding the Fourth Proportional to 922,920.05, 1,273,629.92 and 509,457.08
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Solution
The fourth proportional to 922,920.05, 1,273,629.92 and 509,457.08 is: 703,050.90
Step by Step Solution
- Step 1: Write the proportion equation
922,920.05 : 1,273,629.92 = 509,457.08 : x - Step 2: Convert to fraction form
922,920.05/1,273,629.92 = 509,457.08/x - Step 3: Cross multiply
922,920.05x = 1,273,629.92 × 509,457.08 - Step 4: Simplify right side
922,920.05x = 648,859,771,128.40 - Step 5: Solve for x
x = 648,859,771,128.40/922,920.05 - Step 6: Final answer
x = 703,050.90
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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.