Finding the Fourth Proportional to 1,474,148.94, 2,211,235.80 and 409,274.04
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Solution
The fourth proportional to 1,474,148.94, 2,211,235.80 and 409,274.04 is: 613,914.50
Step by Step Solution
- Step 1: Write the proportion equation
1,474,148.94 : 2,211,235.80 = 409,274.04 : x - Step 2: Convert to fraction form
1,474,148.94/2,211,235.80 = 409,274.04/x - Step 3: Cross multiply
1,474,148.94x = 2,211,235.80 × 409,274.04 - Step 4: Simplify right side
1,474,148.94x = 905,001,409,258.63 - Step 5: Solve for x
x = 905,001,409,258.63/1,474,148.94 - Step 6: Final answer
x = 613,914.50
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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.