Finding the Fourth Proportional to 922,450.76, 1,272,983.96 and 514,542.05
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Solution
The fourth proportional to 922,450.76, 1,272,983.96 and 514,542.05 is: 710,069.10
Step by Step Solution
- Step 1: Write the proportion equation
922,450.76 : 1,272,983.96 = 514,542.05 : x - Step 2: Convert to fraction form
922,450.76/1,272,983.96 = 514,542.05/x - Step 3: Cross multiply
922,450.76x = 1,272,983.96 × 514,542.05 - Step 4: Simplify right side
922,450.76x = 655,003,780,864.33 - Step 5: Solve for x
x = 655,003,780,864.33/922,450.76 - Step 6: Final answer
x = 710,069.10
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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.