Finding the Fourth Proportional to 862,929.50, 1,190,578.82 and 500,280.99
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Solution
The fourth proportional to 862,929.50, 1,190,578.82 and 500,280.99 is: 690,234.77
Step by Step Solution
- Step 1: Write the proportion equation
862,929.50 : 1,190,578.82 = 500,280.99 : x - Step 2: Convert to fraction form
862,929.50/1,190,578.82 = 500,280.99/x - Step 3: Cross multiply
862,929.50x = 1,190,578.82 × 500,280.99 - Step 4: Simplify right side
862,929.50x = 595,623,942,288.33 - Step 5: Solve for x
x = 595,623,942,288.33/862,929.50 - Step 6: Final answer
x = 690,234.77
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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.