Finding the Fourth Proportional to 988,548.21, 1,482,937.52 and 357,759.09
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Solution
The fourth proportional to 988,548.21, 1,482,937.52 and 357,759.09 is: 536,680.33
Step by Step Solution
- Step 1: Write the proportion equation
988,548.21 : 1,482,937.52 = 357,759.09 : x - Step 2: Convert to fraction form
988,548.21/1,482,937.52 = 357,759.09/x - Step 3: Cross multiply
988,548.21x = 1,482,937.52 × 357,759.09 - Step 4: Simplify right side
988,548.21x = 530,534,375,893.26 - Step 5: Solve for x
x = 530,534,375,893.26/988,548.21 - Step 6: Final answer
x = 536,680.33
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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.