Finding the Fourth Proportional to 727,422.84, 1,091,305.98 and 228,786.84
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Solution
The fourth proportional to 727,422.84, 1,091,305.98 and 228,786.84 is: 343,234.27
Step by Step Solution
- Step 1: Write the proportion equation
727,422.84 : 1,091,305.98 = 228,786.84 : x - Step 2: Convert to fraction form
727,422.84/1,091,305.98 = 228,786.84/x - Step 3: Cross multiply
727,422.84x = 1,091,305.98 × 228,786.84 - Step 4: Simplify right side
727,422.84x = 249,676,446,637.30 - Step 5: Solve for x
x = 249,676,446,637.30/727,422.84 - Step 6: Final answer
x = 343,234.27
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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.