Finding the Fourth Proportional to 727,628.84, 1,091,389.98 and 229,135.40
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Solution
The fourth proportional to 727,628.84, 1,091,389.98 and 229,135.40 is: 343,686.32
Step by Step Solution
- Step 1: Write the proportion equation
727,628.84 : 1,091,389.98 = 229,135.40 : x - Step 2: Convert to fraction form
727,628.84/1,091,389.98 = 229,135.40/x - Step 3: Cross multiply
727,628.84x = 1,091,389.98 × 229,135.40 - Step 4: Simplify right side
727,628.84x = 250,076,079,623.29 - Step 5: Solve for x
x = 250,076,079,623.29/727,628.84 - Step 6: Final answer
x = 343,686.32
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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.