Finding the Fourth Proportional to 862,928.99, 1,190,578.12 and 500,280.49
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Solution
The fourth proportional to 862,928.99, 1,190,578.12 and 500,280.49 is: 690,234.08
Step by Step Solution
- Step 1: Write the proportion equation
862,928.99 : 1,190,578.12 = 500,280.49 : x - Step 2: Convert to fraction form
862,928.99/1,190,578.12 = 500,280.49/x - Step 3: Cross multiply
862,928.99x = 1,190,578.12 × 500,280.49 - Step 4: Simplify right side
862,928.99x = 595,623,002,314.97 - Step 5: Solve for x
x = 595,623,002,314.97/862,928.99 - Step 6: Final answer
x = 690,234.08
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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.