Finding the Fourth Proportional to 919,665.39, 1,379,625.21 and 245,768.68
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Solution
The fourth proportional to 919,665.39, 1,379,625.21 and 245,768.68 is: 368,686.99
Step by Step Solution
- Step 1: Write the proportion equation
919,665.39 : 1,379,625.21 = 245,768.68 : x - Step 2: Convert to fraction form
919,665.39/1,379,625.21 = 245,768.68/x - Step 3: Cross multiply
919,665.39x = 1,379,625.21 × 245,768.68 - Step 4: Simplify right side
919,665.39x = 339,068,668,480.95 - Step 5: Solve for x
x = 339,068,668,480.95/919,665.39 - Step 6: Final answer
x = 368,686.99
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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.