Finding the Fourth Proportional to 922,980.10, 1,273,776.47 and 515,161.49
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Solution
The fourth proportional to 922,980.10, 1,273,776.47 and 515,161.49 is: 710,958.54
Step by Step Solution
- Step 1: Write the proportion equation
922,980.10 : 1,273,776.47 = 515,161.49 : x - Step 2: Convert to fraction form
922,980.10/1,273,776.47 = 515,161.49/x - Step 3: Cross multiply
922,980.10x = 1,273,776.47 × 515,161.49 - Step 4: Simplify right side
922,980.10x = 656,200,584,212.14 - Step 5: Solve for x
x = 656,200,584,212.14/922,980.10 - Step 6: Final answer
x = 710,958.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.