Finding the Fourth Proportional to 777,507.19, 1,165,779.63 and 303,635.32
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Solution
The fourth proportional to 777,507.19, 1,165,779.63 and 303,635.32 is: 455,265.08
Step by Step Solution
- Step 1: Write the proportion equation
777,507.19 : 1,165,779.63 = 303,635.32 : x - Step 2: Convert to fraction form
777,507.19/1,165,779.63 = 303,635.32/x - Step 3: Cross multiply
777,507.19x = 1,165,779.63 × 303,635.32 - Step 4: Simplify right side
777,507.19x = 353,971,868,090.08 - Step 5: Solve for x
x = 353,971,868,090.08/777,507.19 - Step 6: Final answer
x = 455,265.08
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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.