Finding the Fourth Proportional to 807,442.36, 1,210,258.30 and 327,558.68
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Solution
The fourth proportional to 807,442.36, 1,210,258.30 and 327,558.68 is: 490,970.79
Step by Step Solution
- Step 1: Write the proportion equation
807,442.36 : 1,210,258.30 = 327,558.68 : x - Step 2: Convert to fraction form
807,442.36/1,210,258.30 = 327,558.68/x - Step 3: Cross multiply
807,442.36x = 1,210,258.30 × 327,558.68 - Step 4: Simplify right side
807,442.36x = 396,430,611,207.04 - Step 5: Solve for x
x = 396,430,611,207.04/807,442.36 - Step 6: Final answer
x = 490,970.79
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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.