Finding the Fourth Proportional to 783,527.84, 1,081,499.48 and 511,638
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Solution
The fourth proportional to 783,527.84, 1,081,499.48 and 511,638 is: 706,211.32
Step by Step Solution
- Step 1: Write the proportion equation
783,527.84 : 1,081,499.48 = 511,638 : x - Step 2: Convert to fraction form
783,527.84/1,081,499.48 = 511,638/x - Step 3: Cross multiply
783,527.84x = 1,081,499.48 × 511,638 - Step 4: Simplify right side
783,527.84x = 553,336,230,948.24 - Step 5: Solve for x
x = 553,336,230,948.24/783,527.84 - Step 6: Final answer
x = 706,211.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.