Finding the Fourth Proportional to 919,884.18, 1,379,717.60 and 246,017.71
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Solution
The fourth proportional to 919,884.18, 1,379,717.60 and 246,017.71 is: 368,997.50
Step by Step Solution
- Step 1: Write the proportion equation
919,884.18 : 1,379,717.60 = 246,017.71 : x - Step 2: Convert to fraction form
919,884.18/1,379,717.60 = 246,017.71/x - Step 3: Cross multiply
919,884.18x = 1,379,717.60 × 246,017.71 - Step 4: Simplify right side
919,884.18x = 339,434,957,593.63 - Step 5: Solve for x
x = 339,434,957,593.63/919,884.18 - Step 6: Final answer
x = 368,997.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.