Finding the Fourth Proportional to 1,037,233.60, 1,431,476.84 and 629,439.19
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Solution
The fourth proportional to 1,037,233.60, 1,431,476.84 and 629,439.19 is: 868,683.41
Step by Step Solution
- Step 1: Write the proportion equation
1,037,233.60 : 1,431,476.84 = 629,439.19 : x - Step 2: Convert to fraction form
1,037,233.60/1,431,476.84 = 629,439.19/x - Step 3: Cross multiply
1,037,233.60x = 1,431,476.84 × 629,439.19 - Step 4: Simplify right side
1,037,233.60x = 901,027,622,673.36 - Step 5: Solve for x
x = 901,027,622,673.36/1,037,233.60 - Step 6: Final answer
x = 868,683.41
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1.5x scale
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.