Finding the Fourth Proportional to 756,689.58, 1,134,787.38 and 251,114.70
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Solution
The fourth proportional to 756,689.58, 1,134,787.38 and 251,114.70 is: 376,590.08
Step by Step Solution
- Step 1: Write the proportion equation
756,689.58 : 1,134,787.38 = 251,114.70 : x - Step 2: Convert to fraction form
756,689.58/1,134,787.38 = 251,114.70/x - Step 3: Cross multiply
756,689.58x = 1,134,787.38 × 251,114.70 - Step 4: Simplify right side
756,689.58x = 284,961,792,492.49 - Step 5: Solve for x
x = 284,961,792,492.49/756,689.58 - Step 6: Final answer
x = 376,590.08
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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.