Finding the Fourth Proportional to 1,559,640.15, 2,339,683.43 and 480,244.05
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Solution
The fourth proportional to 1,559,640.15, 2,339,683.43 and 480,244.05 is: 720,434.80
Step by Step Solution
- Step 1: Write the proportion equation
1,559,640.15 : 2,339,683.43 = 480,244.05 : x - Step 2: Convert to fraction form
1,559,640.15/2,339,683.43 = 480,244.05/x - Step 3: Cross multiply
1,559,640.15x = 2,339,683.43 × 480,244.05 - Step 4: Simplify right side
1,559,640.15x = 1,123,619,043,739.87 - Step 5: Solve for x
x = 1,123,619,043,739.87/1,559,640.15 - Step 6: Final answer
x = 720,434.80
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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.