Finding the Fourth Proportional to 845,434.60, 1,268,324.70 and 284,525.80
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Solution
The fourth proportional to 845,434.60, 1,268,324.70 and 284,525.80 is: 426,846.85
Step by Step Solution
- Step 1: Write the proportion equation
845,434.60 : 1,268,324.70 = 284,525.80 : x - Step 2: Convert to fraction form
845,434.60/1,268,324.70 = 284,525.80/x - Step 3: Cross multiply
845,434.60x = 1,268,324.70 × 284,525.80 - Step 4: Simplify right side
845,434.60x = 360,871,099,927.26 - Step 5: Solve for x
x = 360,871,099,927.26/845,434.60 - Step 6: Final answer
x = 426,846.85
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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.