Finding the Fourth Proportional to 866,490.84, 1,299,235.97 and 267,291.11
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Solution
The fourth proportional to 866,490.84, 1,299,235.97 and 267,291.11 is: 400,782.34
Step by Step Solution
- Step 1: Write the proportion equation
866,490.84 : 1,299,235.97 = 267,291.11 : x - Step 2: Convert to fraction form
866,490.84/1,299,235.97 = 267,291.11/x - Step 3: Cross multiply
866,490.84x = 1,299,235.97 × 267,291.11 - Step 4: Simplify right side
866,490.84x = 347,274,228,489.54 - Step 5: Solve for x
x = 347,274,228,489.54/866,490.84 - Step 6: Final answer
x = 400,782.34
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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.