Finding the Fourth Proportional to 807,497.40, 1,211,246.10 and 746,671.80
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Solution
The fourth proportional to 807,497.40, 1,211,246.10 and 746,671.80 is: 1,120,007.70
Step by Step Solution
- Step 1: Write the proportion equation
807,497.40 : 1,211,246.10 = 746,671.80 : x - Step 2: Convert to fraction form
807,497.40/1,211,246.10 = 746,671.80/x - Step 3: Cross multiply
807,497.40x = 1,211,246.10 × 746,671.80 - Step 4: Simplify right side
807,497.40x = 904,403,305,729.98 - Step 5: Solve for x
x = 904,403,305,729.98/807,497.40 - Step 6: Final answer
x = 1,120,007.70
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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.