Finding the Fourth Proportional to 688,035.36, 1,032,118.20 and 267,343.68
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Solution
The fourth proportional to 688,035.36, 1,032,118.20 and 267,343.68 is: 401,040.84
Step by Step Solution
- Step 1: Write the proportion equation
688,035.36 : 1,032,118.20 = 267,343.68 : x - Step 2: Convert to fraction form
688,035.36/1,032,118.20 = 267,343.68/x - Step 3: Cross multiply
688,035.36x = 1,032,118.20 × 267,343.68 - Step 4: Simplify right side
688,035.36x = 275,930,277,782.98 - Step 5: Solve for x
x = 275,930,277,782.98/688,035.36 - Step 6: Final answer
x = 401,040.84
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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.