Finding the Fourth Proportional to 798,519.80, 1,197,779.70 and 719,787.80
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Solution
The fourth proportional to 798,519.80, 1,197,779.70 and 719,787.80 is: 1,079,681.70
Step by Step Solution
- Step 1: Write the proportion equation
798,519.80 : 1,197,779.70 = 719,787.80 : x - Step 2: Convert to fraction form
798,519.80/1,197,779.70 = 719,787.80/x - Step 3: Cross multiply
798,519.80x = 1,197,779.70 × 719,787.80 - Step 4: Simplify right side
798,519.80x = 862,147,215,147.66 - Step 5: Solve for x
x = 862,147,215,147.66/798,519.80 - Step 6: Final answer
x = 1,079,681.70
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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.