Finding the Fourth Proportional to 691,882.60, 1,037,726.70 and 218,615.80
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Solution
The fourth proportional to 691,882.60, 1,037,726.70 and 218,615.80 is: 327,892.99
Step by Step Solution
- Step 1: Write the proportion equation
691,882.60 : 1,037,726.70 = 218,615.80 : x - Step 2: Convert to fraction form
691,882.60/1,037,726.70 = 218,615.80/x - Step 3: Cross multiply
691,882.60x = 1,037,726.70 × 218,615.80 - Step 4: Simplify right side
691,882.60x = 226,863,452,701.86 - Step 5: Solve for x
x = 226,863,452,701.86/691,882.60 - Step 6: Final answer
x = 327,892.99
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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.