Finding the Fourth Proportional to 782,463.84, 1,173,775.32 and 270,062.28
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Solution
The fourth proportional to 782,463.84, 1,173,775.32 and 270,062.28 is: 405,120.88
Step by Step Solution
- Step 1: Write the proportion equation
782,463.84 : 1,173,775.32 = 270,062.28 : x - Step 2: Convert to fraction form
782,463.84/1,173,775.32 = 270,062.28/x - Step 3: Cross multiply
782,463.84x = 1,173,775.32 × 270,062.28 - Step 4: Simplify right side
782,463.84x = 316,992,439,126.93 - Step 5: Solve for x
x = 316,992,439,126.93/782,463.84 - Step 6: Final answer
x = 405,120.88
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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.