Finding the Fourth Proportional to 719,459.97, 1,078,936.59 and 239,557.44
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Solution
The fourth proportional to 719,459.97, 1,078,936.59 and 239,557.44 is: 359,251.80
Step by Step Solution
- Step 1: Write the proportion equation
719,459.97 : 1,078,936.59 = 239,557.44 : x - Step 2: Convert to fraction form
719,459.97/1,078,936.59 = 239,557.44/x - Step 3: Cross multiply
719,459.97x = 1,078,936.59 × 239,557.44 - Step 4: Simplify right side
719,459.97x = 258,467,287,422.73 - Step 5: Solve for x
x = 258,467,287,422.73/719,459.97 - Step 6: Final answer
x = 359,251.80
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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.