Finding the Fourth Proportional to 853,137.36, 1,278,202.68 and 760,470.48
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Solution
The fourth proportional to 853,137.36, 1,278,202.68 and 760,470.48 is: 1,139,365.65
Step by Step Solution
- Step 1: Write the proportion equation
853,137.36 : 1,278,202.68 = 760,470.48 : x - Step 2: Convert to fraction form
853,137.36/1,278,202.68 = 760,470.48/x - Step 3: Cross multiply
853,137.36x = 1,278,202.68 × 760,470.48 - Step 4: Simplify right side
853,137.36x = 972,035,405,596.89 - Step 5: Solve for x
x = 972,035,405,596.89/853,137.36 - Step 6: Final answer
x = 1,139,365.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.