Finding the Fourth Proportional to 777,258.68, 1,165,888.02 and 303,611.88
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Solution
The fourth proportional to 777,258.68, 1,165,888.02 and 303,611.88 is: 455,417.82
Step by Step Solution
- Step 1: Write the proportion equation
777,258.68 : 1,165,888.02 = 303,611.88 : x - Step 2: Convert to fraction form
777,258.68/1,165,888.02 = 303,611.88/x - Step 3: Cross multiply
777,258.68x = 1,165,888.02 × 303,611.88 - Step 4: Simplify right side
777,258.68x = 353,977,453,621.68 - Step 5: Solve for x
x = 353,977,453,621.68/777,258.68 - Step 6: Final answer
x = 455,417.82
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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.