Finding the Fourth Proportional to 807,684.80, 1,209,194.40 and 492,756.80
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Solution
The fourth proportional to 807,684.80, 1,209,194.40 and 492,756.80 is: 737,711.99
Step by Step Solution
- Step 1: Write the proportion equation
807,684.80 : 1,209,194.40 = 492,756.80 : x - Step 2: Convert to fraction form
807,684.80/1,209,194.40 = 492,756.80/x - Step 3: Cross multiply
807,684.80x = 1,209,194.40 × 492,756.80 - Step 4: Simplify right side
807,684.80x = 595,838,763,121.92 - Step 5: Solve for x
x = 595,838,763,121.92/807,684.80 - Step 6: Final answer
x = 737,711.99
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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.