Finding the Fourth Proportional to 914,258.08, 1,261,808.40 and 511,876
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Solution
The fourth proportional to 914,258.08, 1,261,808.40 and 511,876 is: 706,462.92
Step by Step Solution
- Step 1: Write the proportion equation
914,258.08 : 1,261,808.40 = 511,876 : x - Step 2: Convert to fraction form
914,258.08/1,261,808.40 = 511,876/x - Step 3: Cross multiply
914,258.08x = 1,261,808.40 × 511,876 - Step 4: Simplify right side
914,258.08x = 645,889,436,558.40 - Step 5: Solve for x
x = 645,889,436,558.40/914,258.08 - Step 6: Final answer
x = 706,462.92
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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.