Finding the Fourth Proportional to 984,903.40, 1,476,923.10 and 452,247.40
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Solution
The fourth proportional to 984,903.40, 1,476,923.10 and 452,247.40 is: 678,172.73
Step by Step Solution
- Step 1: Write the proportion equation
984,903.40 : 1,476,923.10 = 452,247.40 : x - Step 2: Convert to fraction form
984,903.40/1,476,923.10 = 452,247.40/x - Step 3: Cross multiply
984,903.40x = 1,476,923.10 × 452,247.40 - Step 4: Simplify right side
984,903.40x = 667,934,631,974.94 - Step 5: Solve for x
x = 667,934,631,974.94/984,903.40 - Step 6: Final answer
x = 678,172.73
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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.