Finding the Fourth Proportional to 668,239.97, 1,002,858.12 and 268,884.14
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Solution
The fourth proportional to 668,239.97, 1,002,858.12 and 268,884.14 is: 403,526.66
Step by Step Solution
- Step 1: Write the proportion equation
668,239.97 : 1,002,858.12 = 268,884.14 : x - Step 2: Convert to fraction form
668,239.97/1,002,858.12 = 268,884.14/x - Step 3: Cross multiply
668,239.97x = 1,002,858.12 × 268,884.14 - Step 4: Simplify right side
668,239.97x = 269,652,638,123.93 - Step 5: Solve for x
x = 269,652,638,123.93/668,239.97 - Step 6: Final answer
x = 403,526.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.