Finding the Fourth Proportional to 976,757.20, 1,465,135.80 and 959,261.20
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Solution
The fourth proportional to 976,757.20, 1,465,135.80 and 959,261.20 is: 1,438,891.80
Step by Step Solution
- Step 1: Write the proportion equation
976,757.20 : 1,465,135.80 = 959,261.20 : x - Step 2: Convert to fraction form
976,757.20/1,465,135.80 = 959,261.20/x - Step 3: Cross multiply
976,757.20x = 1,465,135.80 × 959,261.20 - Step 4: Simplify right side
976,757.20x = 1,405,447,925,670.96 - Step 5: Solve for x
x = 1,405,447,925,670.96/976,757.20 - Step 6: Final answer
x = 1,438,891.80
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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.